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Sun C, Li Y, Yin J, Li D, Wu C, Zhang C, Fei H. Highly Stable MOF-Type Lead Halide Luminescent Ferroelectrics. Angew Chem Int Ed Engl 2024; 63:e202407102. [PMID: 38744673 DOI: 10.1002/anie.202407102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Revised: 05/11/2024] [Accepted: 05/14/2024] [Indexed: 05/16/2024]
Abstract
Lead halide molecular ferroelectrics represent an important class of luminescent ferroelectrics, distinguished by their high chemical and structural tunability, excellent processability and distinctive luminescent characteristics. However, their inherent instability, prone to decomposition upon exposure to moisture and light, hinders their broader ferroelectric applications. Herein, for the first time, we present a series of isoreticular metal-organic framework (MOF)-type lead halide luminescent ferroelectrics, demonstrating exceptional robustness under ambient conditions for at least 15 months and even when subjected to aqueous boiling conditions. Unlike conventional metal-oxo secondary building units (SBUs) in MOFs adopting highly centrosymmetric structure with limited structural distortion, our lead halide-based MOFs occupy structurally deformable [Pb2X]+ (X=Cl-/Br-/I-) SBUs that facilitate a c-axis-biased displacement of Pb2+ centers and substantially contribute to thermoinducible structural transformation. Importantly, this class of MOF-type lead halide ferroelectrics undergo ferroelectric-to-paraelectric phase transitions with remarkably high Curie temperature of up to 505 K, superior to most of molecular ferroelectrics. Moreover, the covalent bonding between phosphorescent organic component and the light-harvesting inorganic component achieves efficient spin-orbit coupling and intersystem crossing, resulting in long-lived afterglow emission. The compelling combination of high stability, ferroelectricity and afterglow emission exhibited by lead halide MOFs opens up many potential opportunities in energy-conversion applications.
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Affiliation(s)
- Chen Sun
- Shanghai Key Laboratory of Chemical Assessment and Sustain ability, School of Chemical Science and Engineering, Tongji University, 1239 Siping Rd., Shanghai, 200092, China
| | - Yukong Li
- Shanghai Key Laboratory of Chemical Assessment and Sustain ability, School of Chemical Science and Engineering, Tongji University, 1239 Siping Rd., Shanghai, 200092, China
| | - Jinlin Yin
- Shanghai Key Laboratory of Chemical Assessment and Sustain ability, School of Chemical Science and Engineering, Tongji University, 1239 Siping Rd., Shanghai, 200092, China
| | - Dongyang Li
- Shanghai Key Laboratory of Chemical Assessment and Sustain ability, School of Chemical Science and Engineering, Tongji University, 1239 Siping Rd., Shanghai, 200092, China
| | - Chao Wu
- Shanghai Key Laboratory of Chemical Assessment and Sustain ability, School of Chemical Science and Engineering, Tongji University, 1239 Siping Rd., Shanghai, 200092, China
| | - Chi Zhang
- Shanghai Key Laboratory of Chemical Assessment and Sustain ability, School of Chemical Science and Engineering, Tongji University, 1239 Siping Rd., Shanghai, 200092, China
| | - Honghan Fei
- Shanghai Key Laboratory of Chemical Assessment and Sustain ability, School of Chemical Science and Engineering, Tongji University, 1239 Siping Rd., Shanghai, 200092, China
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2
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Bystrov VS. Molecular self-assembled helix peptide nanotubes based on some amino acid molecules and their dipeptides: molecular modeling studies. J Mol Model 2024; 30:257. [PMID: 38976043 DOI: 10.1007/s00894-024-05995-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 05/24/2024] [Indexed: 07/09/2024]
Abstract
CONTEXT The paper considers the features of the structure and dipole moments of several amino acids and their dipeptides which play an important role in the formation of the peptide nanotubes based on them. The influence of the features of their chirality (left L and right D) and the alpha-helix conformations of amino acids are taken into account. In particular, amino acids with aromatic rings, such as phenylalanine (Phe/F), and branched-chain amino acids (BCAAs)-leucine (Leu/L) and isoleucine (Ile/I)-as well as corresponding dipeptides (diphenylalanine (FF), dileucine (LL), and diisoleucine (II)) are considered. The main features and properties of these dipeptide structures and peptide nanotubes (PNTs), based on them, are investigated using computational molecular modeling and quantum-chemical semi-empirical calculations. Their polar, piezoelectric, and photoelectronic properties and features are studied in detail. The results of calculations of dipole moments and polarization, as well as piezoelectric coefficients and band gap width, for different types of helical peptide nanotubes are presented. The calculated values of the chirality indices of various nanotubes are given, depending on the chirality of the initial dipeptides-the results obtained are consistent with the law of changes in the type of chirality as the hierarchy of molecular structures becomes more complex. The influence of water molecules in the internal cavity of nanotubes on their physical properties is estimated. A comparison of the results of these calculations by various computational methods with the available experimental data is presented and discussed. METHOD The main tool for molecular modeling of all studied nanostructures in this work was the HyperChem 8.01 software package. The main approach used here is the Hartree-Fock (HF) self-consistent field (SCF) with various quantum-chemical semi-empirical methods (AM1, PM3, RM1) in the restricted Hartree-Fock (RHF) and in the unrestricted Hartree-Fock (UHF) approximations. Optimization of molecular systems and the search for their optimal geometry is carried out in this work using the Polak-Ribeire algorithm (conjugate gradient method), which determines the optimized geometry at the point of their minimum total energy. For such optimized structures, dipole moments D and electronic energy levels (such as EHOMO and ELUMO), as well as the band gap Eg = ELUMO - EHOMO, were then calculated. For each optimized molecular structure, the volume was calculated using the QSAR program implemented also in the HyperChem software package.
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Affiliation(s)
- Vladimir S Bystrov
- Institute of Mathematical Problems of Biology, Keldysh Institute of Applied Mathematics, RAS, 142290, Pushchino, Moscow Region, Russia.
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3
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Xue H, Jin J, Tan Z, Chen K, Lu G, Zeng Y, Hu X, Peng X, Jiang L, Wu J. Flexible, biodegradable ultrasonic wireless electrotherapy device based on highly self-aligned piezoelectric biofilms. SCIENCE ADVANCES 2024; 10:eadn0260. [PMID: 38820150 PMCID: PMC11141629 DOI: 10.1126/sciadv.adn0260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 04/29/2024] [Indexed: 06/02/2024]
Abstract
Biodegradable piezoelectric devices hold great promise in on-demand transient bioelectronics. Existing piezoelectric biomaterials, however, remain obstacles to the development of such devices due to difficulties in large-scale crystal orientation alignment and weak piezoelectricity. Here, we present a strategy for the synthesis of optimally orientated, self-aligned piezoelectric γ-glycine/polyvinyl alcohol (γ-glycine/PVA) films via an ultrasound-assisted process, guided by density functional theory. The first-principles calculations reveal that the negative piezoelectric effect of γ-glycine originates from the stretching and compression of glycine molecules induced by hydrogen bonding interactions. The synthetic γ-glycine/PVA films exhibit a piezoelectricity of 10.4 picocoulombs per newton and an ultrahigh piezoelectric voltage coefficient of 324 × 10-3 volt meters per newton. The biofilms are further developed into flexible, bioresorbable, wireless piezo-ultrasound electrotherapy devices, which are demonstrated to shorten wound healing by ~40% and self-degrade in preclinical wound models. These encouraging results offer reliable approaches for engineering piezoelectric biofilms and developing transient bioelectronics.
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Affiliation(s)
- Haoyue Xue
- College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
| | - Jing Jin
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zhi Tan
- College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
| | - Keliang Chen
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Gengxi Lu
- Alfred E. Mann Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Yushun Zeng
- Alfred E. Mann Department of Biomedical Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Xiaolin Hu
- West China School of Nursing, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xingchen Peng
- Department of Biotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Laiming Jiang
- College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
| | - Jiagang Wu
- College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
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4
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Jiang HH, Song XJ, Lv HP, Chen XG, Xiong RG, Zhang HY. Observation of Ferroelectric Lithography on Biodegradable PLA Films. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307936. [PMID: 37907064 DOI: 10.1002/adma.202307936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/30/2023] [Indexed: 11/02/2023]
Abstract
Ferroelectric lithography, which can purposefully control and pattern ferroelectric domains in the micro-/nanometer scale, has extensive applications in data memories, field-effect transistors, race-track memory, tunneling barriers, and integrated biochemical sensors. In pursuit of mechanical flexibility and light weight, organic ferroelectric polymers such as poly(vinylidene fluoride) are developed; however, they still suffer from complicated stretching processes of film fabrication and poor degradability. These poor features severely hinder their applications. Here, the ferroelectric lithography on the biocompatible and biodegradable poly(lactic acid) (PLA) thin films at room temperature is demonstrated. The semicrystalline PLA thin film can be easily fabricated through the melt-casting method, and the desired domain structures can be precisely written according to the predefined patterns. Most importantly, the coercive voltage (Vc ) of PLA thin film is relatively low (lower than 30 V) and can be further reduced with the decrease of the film thickness. These intriguing behaviors combined with satisfying biodegradability make PLA thin film a desirable candidate for ferroelectric lithography and enable its future application in the field of bioelectronics and biomedicine. This work sheds light on further exploration of ferroelectric lithography on other polymer ferroelectrics as well as their application as nanostructured devices.
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Affiliation(s)
- Huan-Huan Jiang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
| | - Xian-Jiang Song
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Hui-Peng Lv
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Xiao-Gang Chen
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing, 211189, P. R. China
- Ordered Matter Science Research Center, Nanchang University, Nanchang, 330031, P. R. China
| | - Han-Yue Zhang
- Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210009, P. R. China
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5
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Leuchtag HR. On molecular steps that activate a voltage sensitive ion channel at critical depolarization. Biophys Chem 2023; 301:107078. [PMID: 37544083 DOI: 10.1016/j.bpc.2023.107078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 06/16/2023] [Accepted: 07/23/2023] [Indexed: 08/08/2023]
Abstract
At high transmembrane electric field, a voltage sensitive ion channel is an insulator; when the field is critically reduced, it becomes a conductor of selected ions. The Channel Activation by Electrostatic Repulsion (CAbER) hypothesis proposes that an ordered polarization field of induced dipoles at the high electric field magnitude of the excitable state is overcome by thermal disorder at a critical depolarization. Increased repulsions between positive charges in the S4 segments cause an allosteric transition in which these segments expand and separate in a chiral proteinquake. The increased space allows the P segments to refold and the ion-semiconducting S5 and S6 segments to relax and expand outward in a breathing mode. Stripped permeant ions enter widened hydrogen bonds in the core helices of these segments. Driven by concentration differences and the electric field, the ions hop along transient pathways across the channel, appearing as fractal, stochastic bursts of single-channel currents. To support order amid thermal fluctuations, an object must be of a minimum size. The critical role of an ion channel's size suggests that the evolution of Metazoa became possible only after its DNA had grown enough to code for proteins larger than the correlation length.
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Jia T, Yang L, Zhang J, Kimura H, Zhao H, Guo Q, Cheng Z. Piezoelectricity of Bi 2Se 3 Nanosheet. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2504. [PMID: 37764533 PMCID: PMC10535138 DOI: 10.3390/nano13182504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 08/29/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023]
Abstract
Bi2Se3, one of the most extensively studied topological insulators, has received significant attention, and abundant research has been dedicated to exploring its surface electronic properties. However, little attention has been given to its piezoelectric properties. Herein, we investigate the piezoelectric response in a five-layer Bi2Se3 nanosheet using scanning probe microscopy (SPM) techniques. The piezoelectricity of Bi2Se3 is characterized using both conventional piezoresponse force microscopy (PFM) and a sequential excitation scanning probe microscopy (SE-SPM) technique. To confirm the linear piezoelectricity of Bi2Se3 two-dimensional materials, measurements of point-wise linear and quadratic electromechanical responses are carried out. Furthermore, the presence of polarization and relaxation is confirmed through hysteresis loops. As expected, the Bi2Se3 nanosheet exhibits an electromechanical solid response. Due to the inevitable loss of translational symmetry at the crystal edge, the lattice of the odd-layer Bi2Se3 nanosheet is noncentrosymmetric, indicating its potential for linear piezoelectricity. This research holds promise for nanoelectromechanical systems (NEMS) applications and future nanogenerators.
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Affiliation(s)
- Tingting Jia
- School of Materials Science and Engineering, Hubei University, Wuhan 430062, China;
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Liu Yang
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Juncheng Zhang
- Optics and Optoelectronics Laboratory, Department of Physics, Ocean University of China, Qingdao 266100, China
| | - Hideo Kimura
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, China
| | - Hongyang Zhao
- Hubei Key Laboratory of Plasma Chemistry and Advanced Materials, Department of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Quansheng Guo
- School of Materials Science and Engineering, Hubei University, Wuhan 430062, China;
| | - Zhenxiang Cheng
- Institute for Superconducting & Electronic Materials, University of Wollongong, Innovation Campus, Wollongong, NSW 2500, Australia
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Zhang Z, Li X, Peng Z, Yan X, Liu S, Hong Y, Shan Y, Xu X, Jin L, Liu B, Zhang X, Chai Y, Zhang S, Jen AKY, Yang Z. Active self-assembly of piezoelectric biomolecular films via synergistic nanoconfinement and in-situ poling. Nat Commun 2023; 14:4094. [PMID: 37433769 DOI: 10.1038/s41467-023-39692-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 06/26/2023] [Indexed: 07/13/2023] Open
Abstract
Piezoelectric biomaterials have attracted great attention owing to the recent recognition of the impact of piezoelectricity on biological systems and their potential applications in implantable sensors, actuators, and energy harvesters. However, their practical use is hindered by the weak piezoelectric effect caused by the random polarization of biomaterials and the challenges of large-scale alignment of domains. Here, we present an active self-assembly strategy to tailor piezoelectric biomaterial thin films. The nanoconfinement-induced homogeneous nucleation overcomes the interfacial dependency and allows the electric field applied in-situ to align crystal grains across the entire film. The β-glycine films exhibit an enhanced piezoelectric strain coefficient of 11.2 pm V-1 and an exceptional piezoelectric voltage coefficient of 252 × 10-3 Vm N-1. Of particular significance is that the nanoconfinement effect greatly improves the thermostability before melting (192 °C). This finding offers a generally applicable strategy for constructing high-performance large-sized piezoelectric bio-organic materials for biological and medical microdevices.
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Affiliation(s)
- Zhuomin Zhang
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
| | - Xuemu Li
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
| | - Zehua Peng
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
| | - Xiaodong Yan
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
| | - Shiyuan Liu
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
| | - Ying Hong
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
| | - Yao Shan
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
| | - Xiaote Xu
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
| | - Lihan Jin
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
| | - Bingren Liu
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China
| | - Xinyu Zhang
- Department of Physics, City University of Hong Kong, Hong Kong, China
| | - Yu Chai
- Department of Physics, City University of Hong Kong, Hong Kong, China
| | - Shujun Zhang
- Institute for Superconducting and Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Wollongong, NSW, Australia.
| | - Alex K-Y Jen
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong.
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong.
- Hong Kong Institute for Clean Energy, City University of Hong Kong, Kowloon, Hong Kong.
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, 98195-2120, USA.
| | - Zhengbao Yang
- Department of Mechanical and Aerospace Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China.
- Department of Mechanical Engineering, City University of Hong Kong, Hong Kong, China.
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong.
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8
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Zhang HY, Zhang N, Zhang Y, Jiang HH, Zeng YL, Tang SY, Li PF, Tang YY, Xiong RG. Ferroelectric Phase Transition Driven by Switchable Covalent Bonds. PHYSICAL REVIEW LETTERS 2023; 130:176802. [PMID: 37172248 DOI: 10.1103/physrevlett.130.176802] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 04/05/2023] [Indexed: 05/14/2023]
Abstract
The mechanism on ferroelectric phase transitions is mainly attributed to the displacive and/or order-disorder transition of internal components since the discovery of the ferroelectricity in 1920, rather than the breaking and recombination of chemical bonds. Here, we demonstrate how to utilize the chemical bond rearrangement in a diarylethene-based crystal to realize the light-driven mm2F1-type ferroelectric phase transition. Such a photoinduced phase transition is entirely driven by switchable covalent bonds with breaking and reformation, enabling the reversible light-controllable ferroelectric polarization switching, dielectric and nonlinear optical bistability. Moreover, light as quantized energy can achieve contactless, nondestructive, and remote-control operations. This work proposes a new mechanism of ferroelectric phase transition, and highlights the significance of photochromic molecules in designing new ferroelectrics for photocontrol data storage and sensing.
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Affiliation(s)
- Han-Yue Zhang
- Jiangsu Key Laboratory for Biomaterials and Devices, State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, People's Republic of China
| | - Nan Zhang
- Jiangsu Key Laboratory for Biomaterials and Devices, State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, People's Republic of China
| | - Yao Zhang
- Jiangsu Key Laboratory for Biomaterials and Devices, State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, People's Republic of China
| | - Huan-Huan Jiang
- Jiangsu Key Laboratory for Biomaterials and Devices, State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, People's Republic of China
| | - Yu-Ling Zeng
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Shu-Yu Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Peng-Fei Li
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Yuan-Yuan Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang 330031, People's Republic of China
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Biomaterials and Devices, State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, People's Republic of China
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9
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Chen XG, Tang YY, Lv HP, Song XJ, Peng H, Yu H, Liao WQ, You YM, Xiong RG. Remarkable Enhancement of Piezoelectric Performance by Heavy Halogen Substitution in Hybrid Perovskite Ferroelectrics. J Am Chem Soc 2023; 145:1936-1944. [PMID: 36637030 DOI: 10.1021/jacs.2c12306] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Piezoelectric materials that enable electromechanical conversion have great application value in actuators, transducers, sensors, and energy harvesters. Large piezoelectric (d33) and piezoelectric voltage (g33) coefficients are highly desired and critical to their practical applications. However, obtaining a material with simultaneously large d33 and g33 has long been a huge challenge. Here, we reported a hybrid perovskite ferroelectric [Me3NCH2Cl]CdBrCl2 to mitigate and roughly address this issue by heavy halogen substitution. The introduction of a large-size halide element softens the metal-halide bonds and reduces the polarization switching barrier, resulting in excellent piezoelectric response with a large d33 (∼440 pC/N), which realizes a significant optimization compared with that of previously reported [Me3NCH2Cl]CdCl3 (You et al. Science2017, 357, 306-309). More strikingly, [Me3NCH2Cl]CdBrCl2 simultaneously shows a giant g33 of 6215 × 10-3 V m/N, far exceeding those of polymers and conventional piezoelectric ceramics. Combined with simple solution preparation, easy processing of thin films, and a high Curie temperature of 373 K, these attributes make [Me3NCH2Cl]CdBrCl2 promising for high-performance piezoelectric sensors in flexible, wearable, and biomechanical devices.
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Affiliation(s)
- Xiao-Gang Chen
- Ordered Matter Science Research Center, Nanchang University, Nanchang330031, People's Republic of China
| | - Yuan-Yuan Tang
- Ordered Matter Science Research Center, Nanchang University, Nanchang330031, People's Republic of China
| | - Hui-Peng Lv
- Ordered Matter Science Research Center, Nanchang University, Nanchang330031, People's Republic of China
| | - Xian-Jiang Song
- Ordered Matter Science Research Center, Nanchang University, Nanchang330031, People's Republic of China
| | - Hang Peng
- Ordered Matter Science Research Center, Nanchang University, Nanchang330031, People's Republic of China
| | - Hang Yu
- Ordered Matter Science Research Center, Nanchang University, Nanchang330031, People's Republic of China
| | - Wei-Qiang Liao
- Ordered Matter Science Research Center, Nanchang University, Nanchang330031, People's Republic of China
| | - Yu-Meng You
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing211189, People's Republic of China
| | - Ren-Gen Xiong
- Ordered Matter Science Research Center, Nanchang University, Nanchang330031, People's Republic of China
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10
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Marques-Almeida T, Correia V, Fernández Martín E, García Díez A, Ribeiro C, Lanceros-Mendez S. Piezoelectric and Magnetically Responsive Biodegradable Composites with Tailored Porous Morphology for Biotechnological Applications. ACS APPLIED POLYMER MATERIALS 2022; 4:8750-8763. [PMID: 36570789 PMCID: PMC9778034 DOI: 10.1021/acsapm.2c01114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/25/2022] [Indexed: 06/17/2023]
Abstract
The biomedical area in the scope of tissue regeneration pursues the development of advanced materials that can target biomimetic approaches and, ideally, have an active role in the environment they are placed in. This active role can be related to or driven by morphological, mechanical, electrical, or magnetic stimuli, among others. This work reports on the development of active biomaterials based on poly(3-hydroxybutyric acid-co-3-hydroxyvaleric acid), PHBV, a piezoelectric and biodegradable polymer, for tissue regeneration application by tailoring its morphology and functional response. PHBV films with different porosities were obtained using the solvent casting method, resorting to high-boiling-point solvents, as N,N-dimethylformamide (DMF) and dimethylsulfoxide (DMSO), and the combination of chloroform (CF) and DMF for polymer dissolution. Furthermore, magnetoelectric biomaterials were obtained through the combination of the piezoelectric PHBV with magnetostrictive iron oxide (Fe3O4) nanoparticles. Independently of the morphology or filler content, all biomaterials proved to be suitable for biomedical applications.
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Affiliation(s)
- Teresa Marques-Almeida
- Physics
Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, Braga4710-057, Portugal
- LaPMET
- Laboratory of Physics for Materials and Emergent Technologies, University of Minho, Braga4710-057, Portugal
| | - Vitor Correia
- CMEMS
− UMinho, University of Minho, Guimarães4800-058, Portugal
- LABBELS
− Associate Laboratory, Braga, Guimarães4800-058, Portugal
| | - Eduardo Fernández Martín
- BCMaterials,
Basque Centre for Materials and Applications, UPV/EHU Science Park, Leioa48940, Spain
| | | | - Clarisse Ribeiro
- Physics
Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, Braga4710-057, Portugal
- LaPMET
- Laboratory of Physics for Materials and Emergent Technologies, University of Minho, Braga4710-057, Portugal
| | - Senentxu Lanceros-Mendez
- BCMaterials,
Basque Centre for Materials and Applications, UPV/EHU Science Park, Leioa48940, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao48009, Spain
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11
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Agrawal A, Douglas JF, Tirrell M, Karim A. Manipulation of coacervate droplets with an electric field. Proc Natl Acad Sci U S A 2022; 119:e2203483119. [PMID: 35925890 PMCID: PMC9372540 DOI: 10.1073/pnas.2203483119] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 06/22/2022] [Indexed: 11/18/2022] Open
Abstract
Many biopolymers are highly charged, and as in the case of many polymer mixtures, they tend to phase separate as a natural consequence of chain connectivity and an associated relatively low entropy of polymer mixing. Recently, it has become appreciated that the phase-separated structures formed by such polyelectrolyte blends, called "complex coacervates," underlie numerous biological structures and processes essential to living systems, and there has been intense interest in understanding the unique physical features of this type of phase-separation process. In the present work, we are particularly concerned with the field responsiveness of stabilized coacervate droplets formed after the phase separation of polyelectrolyte blend solution and then exposed to deionized water, making the droplet interfacial layer acquire a viscoelastic character that strongly stabilizes it against coalescence. We show that we can precisely control the positions of individual droplets and arrays of them with relatively low-voltage electric fields (on the order of 10 V/cm) and that the imposition of an oscillatory field gives rise to chain formation with coarsening of these chains into long fibers. Such a phase-separation-like process is generally observed in electrorheological fluids of solid colloidal particles subjected to much larger field strengths. The key to these coacervates' electrorheological properties is the altered interfacial viscoelastic properties when the droplets are introduced into deionized water and the associated high polarizability of the droplets, similar to the properties of many living cells. Since many different molecular payloads can be incorporated into these stable droplets, we anticipate many applications.
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Affiliation(s)
- Aman Agrawal
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX 77204
| | - Jack F. Douglas
- Materials Science and Engineering Division, National Institute of Standards and Technology, Gaithersburg, MD 20899
| | - Matthew Tirrell
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL 60637
| | - Alamgir Karim
- William A. Brookshire Department of Chemical and Biomolecular Engineering, University of Houston, Houston, TX 77204
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12
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Zhang HY. A small-molecule organic ferroelectric with piezoelectric voltage coefficient larger than that of lead zirconate titanate and polyvinylidene difluoride. Chem Sci 2022; 13:5006-5013. [PMID: 35655883 PMCID: PMC9067616 DOI: 10.1039/d1sc06909h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 04/06/2022] [Indexed: 12/19/2022] Open
Abstract
Piezoelectric materials that generate electricity when deforming are ideal for many implantable medical sensing devices. In modern piezoelectric materials, inorganic ceramics and polymers are two important branches, represented by lead zirconate titanate (PZT) and polyvinylidene difluoride (PVDF). However, PVDF is a nondegradable plastic with poor crystallinity and a large coercive field, and PZT suffers from high sintering temperature and toxic heavy element. Here, we successfully design a metal-free small-molecule ferroelectric, 3,3-difluorocyclobutanammonium hydrochloride ((3,3-DFCBA)Cl), which has high piezoelectric voltage coefficients g33 (437.2 × 10−3 V m N−1) and g31 (586.2 × 10−3 V m N−1), a large electrostriction coefficient Q33 (about 4.29 m4 C−2) and low acoustic impedance z0 (2.25 × 106 kg s−1 m−2), significantly outperforming PZT (g33 = 34 × 10−3 V m N−1 and z0 = 2.54 × 107 kg s−1 m−2) and PVDF (g33 = 286.7 × 10−3 V m N−1, g31 = 185.9 × 10−3 V m N−1, Q33 = 1.3 m4 C−2, and z0 = 3.69 × 106 kg s−1 m−2). Such a low acoustic impedance matches that of the body (1.38–1.99 × 106 kg s−1 m−2) reasonably well, making it attractive as next-generation biocompatible piezoelectric devices for health monitoring and “disposable” invasive medical ultrasound imaging. A small-molecule organic ferroelectric (3,3-DFCBA)Cl has high piezoelectric voltage coefficients g33 (437.2 × 10−3 V m N−1), a large electrostriction coefficient Q33, and low acoustic impedance z0, far beyond that of PZT and PVDF.![]()
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Affiliation(s)
- Han-Yue Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University Nanjing 210096 People's Republic of China
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13
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Socol M, Trupina L, Galca AC, Chirila C, Stan GE, Vlaicu AM, Stanciu AE, Boni AG, Botea M, Stanculescu A, Pintilie L, Borca B. Electro-active properties of nanostructured films of cytosine and guanine nucleobases. NANOTECHNOLOGY 2021; 32:415702. [PMID: 34214995 DOI: 10.1088/1361-6528/ac10e4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 07/02/2021] [Indexed: 06/13/2023]
Abstract
The discovery of multifunctional properties related to electro-activity of organic systems of biomolecules is important for a variety of applications, especially for devices in the realm of biocompatible sensors and/or bioactuators. A further step towards such applications is to prepare thin films with the required properties. Here, the investigation is focused on the characterization of films of guanine and cytosine nucleobases, prepared by thermal evaporation-an industrial accessible deposition technique. The cytosine films have an orthorhombic non-centrosymmetric structure and grow in two interconnected nanostructured fractal patterns, of nearly equal proportion. Piezoresponse force microscopy images acquired at room temperature on the cytosine films display large zones with antiparallel alignment of the vertical components of the polarization vector. Guanine films have a dense nano-grained morphology. Our studies reveal electrical polarization switching effects which can be related to ferroelectricity in the films of guanine molecules. Characteristic ferroelectric polarization-electric-field hysteresis loops showing large electrical polarization are observed at low temperatures up to 200 K. Above this temperature, the guanine films have a preponderant paraelectric phase containing residual or locally induced nano-scopic ferroelectric domains, as observed by piezoresponse force microscopy at room temperature.
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Affiliation(s)
- Marcela Socol
- National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
| | - Lucian Trupina
- National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
| | | | - Cristina Chirila
- National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
| | - George E Stan
- National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
| | - Aurel-Mihai Vlaicu
- National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
| | - Anda Elena Stanciu
- National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
| | - Andra Georgia Boni
- National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
| | - Mihaela Botea
- National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
| | - Anca Stanculescu
- National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
| | - Lucian Pintilie
- National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
| | - Bogdana Borca
- National Institute of Materials Physics, Atomistilor 405A, 077125 Magurele, Romania
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14
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Zhang HY, Zhang ZX, Chen XG, Song XJ, Zhang Y, Xiong RG. Large Electrostrictive Coefficient in a Two-Dimensional Hybrid Perovskite Ferroelectric. J Am Chem Soc 2021; 143:1664-1672. [DOI: 10.1021/jacs.0c12907] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Han-Yue Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Zhi-Xu Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Xiao-Gang Chen
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Xian-Jiang Song
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Yi Zhang
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
| | - Ren-Gen Xiong
- Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People’s Republic of China
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15
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Gao K, Su Z, Li C, Wu D, Zhang B. Spontaneous self-formation of molecular ferroelectric heterostructures. Phys Chem Chem Phys 2021; 23:3335-3340. [PMID: 33502426 DOI: 10.1039/d0cp06060g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A new phase of diisopropylammonium perchlorate (DIPAP) forms during freeze-drying or heat treatment, which generates the heterostructure with its original ferroelectric phase. There is no composition fluctuation in the DIPAP molecular ferroelectric heterostructures, but there is an interface between the two phases of DIPAP. The formation of the new phase resembles that of martensite in alloys. A large internal bias field that is almost 2.5 times of the coercive field was found in the molecular ferroelectric heterostructures, which is comparable to that of doped triglycine sulfate. The large internal bias field will promote the ability of the DIPAP heterostructure to adsorb PM2.5 under light. The spontaneous self-formation of molecular ferroelectric heterostructures may help improve the performance of molecular ferroelectric devices.
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Affiliation(s)
- Kaige Gao
- College of Physical Science and Technology, Yangzhou University, Jiangsu 225009, P. R. China.
| | - Zhen Su
- College of Physical Science and Technology, Yangzhou University, Jiangsu 225009, P. R. China.
| | - Chen Li
- Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, P. R. China
| | - Di Wu
- Department of Materials Science and Engineering, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, P. R. China
| | - Binbin Zhang
- State Key Laboratory of Solidification Processing & Key Laboratory of Radiation Detection Materials and Devices & School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, P. R. China
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16
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Ofner M, Walach H. The Vegetative Receptor-Vascular Reflex (VRVR) - A New Key to Regeneration. Front Physiol 2020; 11:547526. [PMID: 33071809 PMCID: PMC7538835 DOI: 10.3389/fphys.2020.547526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 08/26/2020] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE We describe a potentially new physiological reflex path that has so far been neglected but which could be used for a novel therapeutic approach: The vegetative receptor-vascular reflex. This is a physiological response that starts from the connective tissue and influences the whole organism. We cross-fertilized various research areas with each other. KEY FINDINGS The matrix or the connective tissue forms a passive reservoir of substrate for the growth and development of cells, and functions as the primordial communication system of all living systems. It contains a continuous network of cells, such as fibroblasts, along with protein bundles made up of collagen that support electrical exchange through piezoelectric effects. This archaic vegetative system surrounds all cells, including neurons, and can thus be viewed as the primordial coordinating system in every organism. It is very likely the basis for a reflex which we describe here for the first time: the vegetative receptor vascular reflex. We also indicate some potential practical applications and test procedures. CONCLUSION The vegetative receptor vascular reflex describes the pathway from stimuli that originate in the connective tissue or the extracellular matrix toward organ systems. They might be chemical in nature or electrical via piezo-electric effects stimulating nerve endings, and thus can influence higher order processes such as regeneration or healing of tissue. Thus, this reflex lends itself to a novel therapeutic approach via certain types of manipulation of the connective tissue.
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Affiliation(s)
- Michael Ofner
- Institute of Pathophysiology and Immunology, Medical University of Graz, Graz, Austria
| | - Harald Walach
- Department of Pediatric Gastroenterology, Poznan University of Medical Sciences, Poznań, Poland
- Department of Psychology, Witten/Herdecke University, Witten, Germany
- Change Health Science Institute, Berlin, Germany
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17
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Peng Y, Han G, Liu F, Xiao W, Liu Y, Zhong N, Duan C, Feng Z, Dong H, Hao Y. Ferroelectric-like Behavior Originating from Oxygen Vacancy Dipoles in Amorphous Film for Non-volatile Memory. NANOSCALE RESEARCH LETTERS 2020; 15:134. [PMID: 32572644 PMCID: PMC7310056 DOI: 10.1186/s11671-020-03364-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Accepted: 06/04/2020] [Indexed: 05/30/2023]
Abstract
Traditional ferroelectric devices suffer a lack of scalability. Doped HfO2 thin film is promising to solve the scaling problem but challenged by high leakage current and uniformity concern by the polycrystalline nature. Stable ferroelectric-like behavior is firstly demonstrated in a 3.6-nm-thick amorphous Al2O3 film. The amorphous Al2O3 devices are highly scalable, which enable multi-gate non-volatile field-effect transistor (NVFET) with nanometer-scale fin pitch. It also possesses the advantages of low process temperature, high frequency (~GHz), wide memory window, and long endurance, suggesting great potential in VLSI systems. The switchable polarization (P) induced by the voltage-modulated oxygen vacancy dipoles is proposed.
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Affiliation(s)
- Yue Peng
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, School of Microelectronics, Xidian University, Xi’an, 710071 China
| | - Genquan Han
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, School of Microelectronics, Xidian University, Xi’an, 710071 China
| | - Fenning Liu
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, School of Microelectronics, Xidian University, Xi’an, 710071 China
| | - Wenwu Xiao
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, School of Microelectronics, Xidian University, Xi’an, 710071 China
| | - Yan Liu
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, School of Microelectronics, Xidian University, Xi’an, 710071 China
| | - Ni Zhong
- Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University, Shanghai, 200241 China
| | - Chungang Duan
- Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University, Shanghai, 200241 China
| | - Ze Feng
- Key Laboratory of Photoelectronic, Thin Film Devices and Technology of Nankai University, Tianjin, 300071 China
| | - Hong Dong
- Key Laboratory of Photoelectronic, Thin Film Devices and Technology of Nankai University, Tianjin, 300071 China
| | - Yue Hao
- State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, School of Microelectronics, Xidian University, Xi’an, 710071 China
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18
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Zhang Y, Hopkins MA, Liptrot DJ, Khanbareh H, Groen P, Zhou X, Zhang D, Bao Y, Zhou K, Bowen CR, Carbery DR. Harnessing Plasticity in an Amine‐Borane as a Piezoelectric and Pyroelectric Flexible Film. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001798] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yan Zhang
- State Key Laboratory of Powder Metallurgy Central South University Changsha Hunan 410083 China
- Department of Mechanical Engineering University of Bath Claverton Down Bath BA2 7AY UK
| | - Margaret A. Hopkins
- Department of Mechanical Engineering University of Bath Claverton Down Bath BA2 7AY UK
| | - David J. Liptrot
- Department of Chemistry University of Bath Claverton Down Bath BA2 7AY UK
| | - Hamideh Khanbareh
- Department of Mechanical Engineering University of Bath Claverton Down Bath BA2 7AY UK
| | - Pim Groen
- Novel Aerospace Materials Group Faculty of Aerospace Engineering Delft University of Technology Kluyverweg 1 Delft The Netherlands
| | - Xuefan Zhou
- State Key Laboratory of Powder Metallurgy Central South University Changsha Hunan 410083 China
| | - Dou Zhang
- State Key Laboratory of Powder Metallurgy Central South University Changsha Hunan 410083 China
| | - Yinxiang Bao
- State Key Laboratory of Powder Metallurgy Central South University Changsha Hunan 410083 China
| | - Kechao Zhou
- State Key Laboratory of Powder Metallurgy Central South University Changsha Hunan 410083 China
| | - Chris R. Bowen
- Department of Mechanical Engineering University of Bath Claverton Down Bath BA2 7AY UK
| | - David R. Carbery
- Department of Chemistry University of Bath Claverton Down Bath BA2 7AY UK
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19
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Zhang Y, Hopkins MA, Liptrot DJ, Khanbareh H, Groen P, Zhou X, Zhang D, Bao Y, Zhou K, Bowen CR, Carbery DR. Harnessing Plasticity in an Amine-Borane as a Piezoelectric and Pyroelectric Flexible Film. Angew Chem Int Ed Engl 2020; 59:7808-7812. [PMID: 32104966 DOI: 10.1002/anie.202001798] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Indexed: 11/08/2022]
Abstract
We demonstrate that trimethylamine borane can exhibit desirable piezoelectric and pyroelectric properties. The material was shown to be able operate as a flexible film for both thermal sensing, thermal energy conversion and mechanical sensing with high open circuit voltages (>10 V). A piezoelectric coefficient of d33 ≈10-16 pC N-1 , and pyroelectric coefficient of p≈25.8 μC m-2 K-1 were achieved after poling, with high pyroelectric figure of merits for sensing and harvesting, along with a relative permittivity of ϵ 33 σ ≈ 6.3.
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Affiliation(s)
- Yan Zhang
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan, 410083, China.,Department of Mechanical Engineering, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Margaret A Hopkins
- Department of Mechanical Engineering, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - David J Liptrot
- Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Hamideh Khanbareh
- Department of Mechanical Engineering, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Pim Groen
- Novel Aerospace Materials Group, Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, Delft, The Netherlands
| | - Xuefan Zhou
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan, 410083, China
| | - Dou Zhang
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan, 410083, China
| | - Yinxiang Bao
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan, 410083, China
| | - Kechao Zhou
- State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan, 410083, China
| | - Chris R Bowen
- Department of Mechanical Engineering, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - David R Carbery
- Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK
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20
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Zhao W, Cheong LZ, Xu S, Cui W, Song S, Rourk CJ, Shen C. Direct investigation of current transport in cells by conductive atomic force microscopy. J Microsc 2019; 277:49-57. [PMID: 31883281 DOI: 10.1111/jmi.12861] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 12/06/2019] [Accepted: 12/25/2019] [Indexed: 01/23/2023]
Abstract
Currents play critical roles in neurons. Direct observation of current flows in cells at nanometre dimensions and picoampere current resolution is still a daunting task. In this study, we investigated the current flows in hippocampal neurons, PC12 cells and astrocytes in response to voltages applied to the cell membranes using conductive atomic force microscopy (CAFM). The spines in the hippocampal neurons play crucial roles in nerve signal transfer. When the applied voltage was greater than 7.2 V, PC12 cells even show metallic nanowire-like characteristics. Both the cell body and glial filaments of astrocytes yielded CAFM test results that reflect different electrical conductance. To our best knowledge, the electrical characteristics and current transport through components of cells (especially neurons) in response to an applied external voltage have been revealed for the first time at nanometre dimensions and picoampere current levels. We believe that such studies will pave new ways to study and model the electrical characteristics and physiological behaviours in cells and other biological samples.
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Affiliation(s)
- W Zhao
- Chinese Academy of Sciences, Ningbo Institute of Materials Technology & Engineering, Ningbo, Zhejiang, China.,School of Information Engineering, Gannan Medical University, Ganzhou, China
| | - L-Z Cheong
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, China
| | - S Xu
- Ningbo Key Laboratory of Behavioural Neuroscience, Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang, China
| | - W Cui
- Ningbo Key Laboratory of Behavioural Neuroscience, Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang, China
| | - S Song
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, China
| | - C J Rourk
- 4512 Beverly Drive, 75205, Dallas, TX, U.S.A
| | - C Shen
- Chinese Academy of Sciences, Ningbo Institute of Materials Technology & Engineering, Ningbo, Zhejiang, China
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21
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Ikushima K, Kumamoto T, Ito K, Anzai Y. Electric Polarization of Soft Biological Tissues Induced by Ultrasound Waves. PHYSICAL REVIEW LETTERS 2019; 123:238101. [PMID: 31868441 DOI: 10.1103/physrevlett.123.238101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Indexed: 06/10/2023]
Abstract
Ultrasound irradiation makes it possible to generate alternating electric polarization through the electromechanical coupling of materials. It follows that electromagnetic fields are often emitted to the surrounding environment when materials are acoustically stimulated. We investigate the acoustically stimulated electromagnetic (ASEM) response of soft biological tissues. The ASEM signal is detected through a capacitive resonant antenna tuned to the MHz frequency of the irradiated ultrasound waves. The signal is well explained by the stress-induced polarization, which responds linearly to the applied acoustic stress. Induced polarization is clearly observed in the Achilles tendon, aortic wall, and aortic valve samples, whereas it is small in adipose tissue and myocardium samples, indicating that fibrous tissues exhibit electromechanical coupling.
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Affiliation(s)
- Kenji Ikushima
- Department of Biomedical Engineering, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Takashi Kumamoto
- Department of Biomedical Engineering, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Kenshiro Ito
- Department of Biomedical Engineering, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Yamato Anzai
- Department of Biomedical Engineering, Tokyo University of Agriculture and Technology, Nakacho, Koganei, Tokyo 184-8588, Japan
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22
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Baptista RMF, de Matos Gomes E, Raposo MMM, Costa SPG, Lopes PE, Almeida B, Belsley MS. Self-assembly of dipeptide Boc-diphenylalanine nanotubes inside electrospun polymeric fibers with strong piezoelectric response. NANOSCALE ADVANCES 2019; 1:4339-4346. [PMID: 36134409 PMCID: PMC9418699 DOI: 10.1039/c9na00464e] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 09/15/2019] [Indexed: 05/26/2023]
Abstract
Dipeptide biomaterials are strong piezoelectric materials that can convert applied mechanical forces into electricity. We have developed large-scale hybrid electrospun arrays containing N-tert-butoxycarbonyl (Boc) diphenylalanine in the form of nanotubes embedded in biocompatible polymers. These nanofibers exhibit strong piezoelectric properties when a periodic mechanical force is applied. The nanostructured hybrid materials were produced by the electrospinning technique. Optical absorption measurements show four bands in the spectral region 240-280 nm indicating quantum confinement due to nanotube formation of Boc-diphenylalanine in dichloromethane solutions. A strong blue photoluminescence emission was observed from nanotubes crystallized inside the fiber arrays during the electrospinning process. These two dimensional hybrid biomaterial structures are able to generate voltage, current and density power of up to 30 V, 300 nA and 2.3 μW cm-2, respectively, when a periodical force of 1.5 N is applied. The dipeptide-polymer electrospun arrays can power several liquid-crystal display panels and may be used for biomedical applications and as bio-energy sources.
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Affiliation(s)
- Rosa M F Baptista
- Centre of Physics, Univ Minho, Campus Gualtar 4710-057 Braga Portugal
| | | | | | - Susana P G Costa
- Centre of Chemistry, Univ Minho, Campus Gualtar 4710-057 Braga Portugal
| | - Paulo E Lopes
- Inst Polymers & Composites IPC, Univ Minho, Campus Azurém 4804-533 Guimarães Portugal
| | - Bernardo Almeida
- Centre of Physics, Univ Minho, Campus Gualtar 4710-057 Braga Portugal
| | - Michael S Belsley
- Centre of Physics, Univ Minho, Campus Gualtar 4710-057 Braga Portugal
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23
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Cheong LZ, Zhao W, Song S, Shen C. Lab on a tip: Applications of functional atomic force microscopy for the study of electrical properties in biology. Acta Biomater 2019; 99:33-52. [PMID: 31425893 DOI: 10.1016/j.actbio.2019.08.023] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 07/17/2019] [Accepted: 08/13/2019] [Indexed: 12/11/2022]
Abstract
Electrical properties, such as charge propagation, dielectrics, surface potentials, conductivity, and piezoelectricity, play crucial roles in biomolecules, biomembranes, cells, tissues, and other biological samples. However, characterizing these electrical properties in delicate biosamples is challenging. Atomic Force Microscopy (AFM), the so called "Lab on a Tip" is a powerful and multifunctional approach to quantitatively study the electrical properties of biological samples at the nanometer level. Herein, the principles, theories, and achievements of various modes of AFM in this area have been reviewed and summarized. STATEMENT OF SIGNIFICANCE: Electrical properties such as dielectric and piezoelectric forces, charge propagation behaviors play important structural and functional roles in biosystems from the single molecule level, to cells and tissues. Atomic force microscopy (AFM) has emerged as an ideal toolkit to study electrical property of biology. Herein, the basic principles of AFM are described. We then discuss the multiple modes of AFM to study the electrical properties of biological samples, including Electrostatic Force Microscopy (EFM), Kelvin Probe Force Microscopy (KPFM), Conductive Atomic Force Microscopy (CAFM), Piezoresponse Force Microscopy (PFM) and Scanning ElectroChemical Microscopy (SECM). Finally, the outlook, prospects, and challenges of the various AFM modes when studying the electrical behaviour of the samples are discussed.
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24
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Collins L, Liu Y, Ovchinnikova OS, Proksch R. Quantitative Electromechanical Atomic Force Microscopy. ACS NANO 2019; 13:8055-8066. [PMID: 31268678 DOI: 10.1021/acsnano.9b02883] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The ability to probe a material's electromechanical functionality on the nanoscale is critical to applications from energy storage and computing to biology and medicine. Voltage-modulated atomic force microscopy (VM-AFM) has become a mainstay characterization tool for investigating these materials due to its ability to locally probe electromechanically responsive materials with spatial resolution from micrometers to nanometers. However, with the wide popularity of VM-AFM techniques such as piezoresponse force microscopy and electrochemical strain microscopy there has been a rise in reports of nanoscale electromechanical functionality, including hysteresis, in materials that should be incapable of exhibiting piezo- or ferroelectricity. Explanations for the origins of unexpected nanoscale phenomena have included new material properties, surface-mediated polarization changes, and/or spatially resolved behavior that is not present in bulk measurements. At the same time, it is well known that VM-AFM measurements are susceptible to numerous forms of crosstalk, and, despite efforts within the AFM community, a global approach for eliminating this has remained elusive. In this work, we develop a method for easily demonstrating the presence of hysteretic (i.e., "false ferroelectric") long-range interactions between the sample and cantilever body. This method should be easy to implement in any VM-AFM measurement. We then go on to demonstrate fully quantitative and repeatable nanoelectromechanical characterization using an interferometer. These quantitative measurements are critical for a wide range of devices including MEMS actuators and sensors, memristor, energy storage, and memory.
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Affiliation(s)
- Liam Collins
- Center for Nanophase Materials Sciences , Oak Ridge National Laboratory , Oak Ridge , Tennessee 37831 , United States
| | - Yongtao Liu
- Center for Nanophase Materials Sciences , Oak Ridge National Laboratory , Oak Ridge , Tennessee 37831 , United States
- Department of Materials Science and Engineering , University of Tennessee , Knoxville , Tennessee 37996 , United States
| | - Olga S Ovchinnikova
- Center for Nanophase Materials Sciences , Oak Ridge National Laboratory , Oak Ridge , Tennessee 37831 , United States
| | - Roger Proksch
- Asylum Research , An Oxford Instruments Company, Santa Barbara , California 93117 , United States
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25
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Jiang P, Huang B, Wei L, Yan F, Huang X, Li Y, Xie S, Pan K, Liu Y, Li J. Resolving fine electromechanical structure of collagen fibrils via sequential excitation piezoresponse force microscopy. NANOTECHNOLOGY 2019; 30:205703. [PMID: 30699396 DOI: 10.1088/1361-6528/ab0340] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Collagen is the main protein in extracellular matrix that is found in many connective tissues, and it exhibits piezoelectricity that is expected to correlate with its hierarchical microstructure. Resolving fine electromechanical structure of collagen, however, is challenging, due to its weak piezoresponse, rough topography, and microstructural hierarchy. Here we adopt the newly developed sequential excitation strategy in combination with piezoresponse force microscopy to overcome these difficulties. It excites the local electromechanical response of collagen via a sequence of distinct frequencies, minimizing crosstalk with topography, followed by principal component analysis to remove the background noise and simple harmonic oscillator model for physical analysis and data reconstruction. These enable us to acquire high fidelity mappings of fine electromechanical response at the nanoscale that correlate with the gap and overlap domains of collagen fibrils, which show substantial improvement over conventional piezoresponse force microscopy techniques. It also embodies the spirit of big data atomic force microscopy that can be readily extended into other applications with targeted data acquisition.
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Affiliation(s)
- Peng Jiang
- School of Materials Science and Engineering, Hunan Provincial Key Laboratory of Thin Film Materials and Devices, Xiangtan University, Xiangtan, Hunan 411105, People's Republic of China. Shenzhen Key Laboratory of Nanobiomechanics, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong 518055, People's Republic of China
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26
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Hu P, Hu S, Huang Y, Reimers JR, Rappe AM, Li Y, Stroppa A, Ren W. Bioferroelectric Properties of Glycine Crystals. J Phys Chem Lett 2019; 10:1319-1324. [PMID: 30776247 DOI: 10.1021/acs.jpclett.8b03837] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Biological ferroelectric materials have great potential in biosensing and disease diagnosis and treatment. Glycine crystals form the simplest bioferroelectric materials, and here we investigate the polarizations of its β- and γ-phases. Using density functional theory, we predict that glycine crystals can develop polarizations even larger than those of conventional inorganic ferroelectrics. Further, using systematic molecular dynamics simulations utilizing polarized crystal charges, we predict the Curie temperature of γ-glycine to be 630 K, with a required coercive field to switch its polarization states of 1 V·nm-1, consistent with experimental evidence. This work sheds light on the microscopic mechanism of electric dipole ordering in biomaterials, helping in the material design of novel bioferroelectrics.
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Affiliation(s)
- Pengfei Hu
- Department of Chemistry , Shanghai University , Shanghai 200444 , China
- Department of Physics, International Center of Quantum and Molecular Structures and Shanghai Key Laboratory of High Temperature Superconductors , Shanghai University , Shanghai 200444 , China
| | - Shunbo Hu
- Department of Physics, International Center of Quantum and Molecular Structures and Shanghai Key Laboratory of High Temperature Superconductors , Shanghai University , Shanghai 200444 , China
- Materials Genome Institute , Shanghai University , Shanghai 200444 , China
| | - Yundi Huang
- Department of Chemistry , Shanghai University , Shanghai 200444 , China
- Department of Physics, International Center of Quantum and Molecular Structures and Shanghai Key Laboratory of High Temperature Superconductors , Shanghai University , Shanghai 200444 , China
| | - Jeffrey R Reimers
- Department of Physics, International Center of Quantum and Molecular Structures and Shanghai Key Laboratory of High Temperature Superconductors , Shanghai University , Shanghai 200444 , China
- School of Mathematical and Physical Sciences , University of Technology , Sydney , New South Wales 2007 , Australia
| | - Andrew M Rappe
- Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104-6323 , United States
| | - Yongle Li
- Department of Physics, International Center of Quantum and Molecular Structures and Shanghai Key Laboratory of High Temperature Superconductors , Shanghai University , Shanghai 200444 , China
| | - Alessandro Stroppa
- CNR-SPIN, c/o Dip.to di Scienze Fisiche e Chimiche - Via Vetoio - 67100 - Coppito (AQ) , Italy
| | - Wei Ren
- Department of Physics, International Center of Quantum and Molecular Structures and Shanghai Key Laboratory of High Temperature Superconductors , Shanghai University , Shanghai 200444 , China
- Materials Genome Institute , Shanghai University , Shanghai 200444 , China
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27
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Guerin S, O'Donnell J, Haq EU, McKeown C, Silien C, Rhen FMF, Soulimane T, Tofail SAM, Thompson D. Racemic Amino Acid Piezoelectric Transducer. PHYSICAL REVIEW LETTERS 2019; 122:047701. [PMID: 30768312 DOI: 10.1103/physrevlett.122.047701] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2018] [Revised: 12/05/2018] [Indexed: 05/26/2023]
Abstract
Single crystal L-amino acids can exhibit technologically useful piezoelectric and nonlinear optical properties. Here we predict, using density functional theory, the piezoelectric charge and strain and voltage tensors of the racemic amino acid DL alanine, and use the modeling data to guide the first macroscopic and nanoscopic piezoelectric measurements on DL-alanine single crystals and polycrystalline aggregates. We demonstrate voltage generation of up to 0.8 V from DL-alanine crystal films under simple manual compression, twice as high as other amino acid crystals. Our results suggest that net molecular chirality is not a prerequisite for piezoelectric behavior in organic crystals. The transducer presented herein demonstrates that DL-alanine crystals can be used in applications such as temperature and force measurement in biosensors, data storage in flexible electronic devices, and mechanical actuation in energy harvesters.
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Affiliation(s)
- Sarah Guerin
- Department of Physics, University of Limerick, Limerick V94 T9PX, Ireland
- Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Joseph O'Donnell
- Department of Physics, University of Limerick, Limerick V94 T9PX, Ireland
- Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Ehtsham U Haq
- Department of Physics, University of Limerick, Limerick V94 T9PX, Ireland
- Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Cian McKeown
- Department of Physics, University of Limerick, Limerick V94 T9PX, Ireland
- Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Christophe Silien
- Department of Physics, University of Limerick, Limerick V94 T9PX, Ireland
- Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Fernando M F Rhen
- Department of Physics, University of Limerick, Limerick V94 T9PX, Ireland
- Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Tewfik Soulimane
- Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
- Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
| | - Syed A M Tofail
- Department of Physics, University of Limerick, Limerick V94 T9PX, Ireland
- Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
| | - Damien Thompson
- Department of Physics, University of Limerick, Limerick V94 T9PX, Ireland
- Bernal Institute, University of Limerick, Limerick V94 T9PX, Ireland
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28
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Synthesis and Characterization of a Monoclinic Crystalline Phase of Hydroxyapatite by Synchrotron X-ray Powder Diffraction and Piezoresponse Force Microscopy. CRYSTALS 2018. [DOI: 10.3390/cryst8120458] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In this work, we report the synthesis of a monoclinic hydroxyapatite [Ca10(PO4)6(OH)2] (hereafter called HA) prepared by the sol-gel method assisted by ultrasound radiation at room temperature. The characterization of both the monoclinic and the hexagonal phases were performed by powder X-ray diffraction (PXRD) and using synchrotron radiation (SR). The measurement of the piezoelectricity was performed by piezoresponse force microscopy (PFM). The synthesis produced a mixture of monoclinic and hexagonal hydroxyapatite (HA). We also discuss the importance of stabilizing the monoclinic phase at room temperature with ultrasound irradiation. The existence of the monoclinic phase has important advantages in terms of showing piezoelectric properties for applications in the new medical rehabilitation therapies. Rietveld refinement of the PXRD data from SR indicated the monoclinic phase to be of about 81%. Finally, piezoelectric force microscopy was used to distinguish the phases of hydroxyapatite by measuring the average piezoelectric coefficient deff = 10.8 pm/V.
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29
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Li T, Zeng K. Probing of Local Multifield Coupling Phenomena of Advanced Materials by Scanning Probe Microscopy Techniques. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1803064. [PMID: 30306656 DOI: 10.1002/adma.201803064] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 07/22/2018] [Indexed: 06/08/2023]
Abstract
The characterization of the local multifield coupling phenomenon (MCP) in various functional/structural materials by using scanning probe microscopy (SPM)-based techniques is comprehensively reviewed. Understanding MCP has great scientific and engineering significance in materials science and engineering, as in many practical applications, materials and devices are operated under a combination of multiple physical fields, such as electric, magnetic, optical, chemical and force fields, and working environments, such as different atmospheres, large temperature fluctuations, humidity, or acidic space. The materials' responses to the synergetic effects of the multifield (physical and environmental) determine the functionalities, performance, lifetime of the materials, and even the devices' manufacturing. SPM techniques are effective and powerful tools to characterize the local effects of MCP. Here, an introduction of the local MCP, the descriptions of several important SPM techniques, especially the electrical, mechanical, chemical, and optical related techniques, and the applications of SPM techniques to investigate the local phenomena and mechanisms in oxide materials, energy materials, biomaterials, and supramolecular materials are covered. Finally, an outlook of the MCP and SPM techniques in materials research is discussed.
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Affiliation(s)
- Tao Li
- Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117576, Singapore
- Center for Spintronics and Quantum System, State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University, Shaanxi, 710049, Xi'an, China
| | - Kaiyang Zeng
- Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117576, Singapore
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30
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Room temperature ferroelectricity in fluoroperovskite thin films. Sci Rep 2017; 7:7182. [PMID: 28775384 PMCID: PMC5543180 DOI: 10.1038/s41598-017-07834-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Accepted: 07/04/2017] [Indexed: 11/09/2022] Open
Abstract
The NaMnF3 fluoride-perovskite has been found, theoretically, to be ferroelectric under epitaxial strain becoming a promising alternative to conventional oxides for multiferroic applications. Nevertheless, this fluoroperovskite has not been experimentally verified to be ferroelectric so far. Here we report signatures of room temperature ferroelectricity observed in perovskite NaMnF3 thin films grown on SrTiO3. Using piezoresponse force microscopy, we studied the evolution of ferroelectric polarization in response to external and built-in electric fields. Density functional theory calculations were also performed to help understand the strong competition between ferroelectric and paraelectric phases as well as the profound influences of strain. These results, together with the magnetic order previously reported in the same material, pave the way to future multiferroic and magnetoelectric investigations in fluoroperovskites.
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31
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Zong Y, Zheng T, Martins P, Lanceros-Mendez S, Yue Z, Higgins MJ. Cellulose-based magnetoelectric composites. Nat Commun 2017; 8:38. [PMID: 28659602 PMCID: PMC5489539 DOI: 10.1038/s41467-017-00034-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Accepted: 05/02/2017] [Indexed: 12/05/2022] Open
Abstract
Since the first magnetoelectric polymer composites were fabricated more than a decade ago, there has been a reluctance to use piezoelectric polymers other than poly(vinylidene fluoride) and its copolymers due to their well-defined piezoelectric mechanism and high piezoelectric coefficients that lead to superior magnetoelectric coefficients of >1 V cm-1 Oe-1. This is the current situation despite the potential for other piezoelectric polymers, such as natural biopolymers, to bring unique, added-value properties and functions to magnetoelectric composite devices. Here we demonstrate a cellulose-based magnetoelectric laminate composite that produces considerable magnetoelectric coefficients of ≈1.5 V cm-1 Oe-1, comprising a Fano resonance that is ubiquitous in the field of physics, such as photonics, though never experimentally observed in magnetoelectric composites. The work successfully demonstrates the concept of exploring new advances in using biopolymers in magnetoelectric composites, particularly cellulose, which is increasingly employed as a renewable, low-cost, easily processable and degradable material.Magnetoelectric materials by converting a magnetic input to a voltage output holds promise in contactless electrodes that find applications from energy harvesting to sensing. Zong et al. report a promising laminate composite that combines a piezoelectric biopolymer, cellulose, and a magnetic material.
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Affiliation(s)
- Yan Zong
- ARC Centre for Electromaterials Science (ACES), Intelligent Polymer Research Institute/AIIM Faculty, Innovation Campus, Squires Way, University of Wollongong, Wollongong,, NSW 2522, Australia
| | - Tian Zheng
- ARC Centre for Electromaterials Science (ACES), Intelligent Polymer Research Institute/AIIM Faculty, Innovation Campus, Squires Way, University of Wollongong, Wollongong,, NSW 2522, Australia
| | - Pedro Martins
- Centro/Departamento de Física, Universidade do Minho, Braga, 4710-057, Portugal
| | - S Lanceros-Mendez
- Centro/Departamento de Física, Universidade do Minho, Braga, 4710-057, Portugal
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, Parque Tecnologico de Bizkaia, Derio, 48160, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao, 48013, Spain
| | - Zhilian Yue
- ARC Centre for Electromaterials Science (ACES), Intelligent Polymer Research Institute/AIIM Faculty, Innovation Campus, Squires Way, University of Wollongong, Wollongong,, NSW 2522, Australia
| | - Michael J Higgins
- ARC Centre for Electromaterials Science (ACES), Intelligent Polymer Research Institute/AIIM Faculty, Innovation Campus, Squires Way, University of Wollongong, Wollongong,, NSW 2522, Australia.
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32
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Jiang P, Yan F, Nasr Esfahani E, Xie S, Zou D, Liu X, Zheng H, Li J. Electromechanical Coupling of Murine Lung Tissues Probed by Piezoresponse Force Microscopy. ACS Biomater Sci Eng 2017; 3:1827-1835. [DOI: 10.1021/acsbiomaterials.7b00107] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Peng Jiang
- Key
Laboratory of Low Dimensional Materials and Application Technology
of Ministry of Education, School of Materials Science and Engineering, Xiangtan University, Yuhu District, Xiangtan, Hunan 411105, China
- Shenzhen
Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced
Technology, Chinese Academy of Sciences, University Town of Shenzhen, Shenzhen, Guangdong 518055, China
- Department
of Mechanical Engineering, University of Washington, Seattle, Washington 98195, United States
| | - Fei Yan
- Shenzhen
Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced
Technology, Chinese Academy of Sciences, University Town of Shenzhen, Shenzhen, Guangdong 518055, China
| | - Ehsan Nasr Esfahani
- Department
of Mechanical Engineering, University of Washington, Seattle, Washington 98195, United States
| | - Shuhong Xie
- Key
Laboratory of Low Dimensional Materials and Application Technology
of Ministry of Education, School of Materials Science and Engineering, Xiangtan University, Yuhu District, Xiangtan, Hunan 411105, China
| | - Daifeng Zou
- Shenzhen
Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced
Technology, Chinese Academy of Sciences, University Town of Shenzhen, Shenzhen, Guangdong 518055, China
| | - Xiaoyan Liu
- College of Metallurgy and Materials Engineering, Chongqing Key Laboratory of Nano/Micro Composites and Devices, Chongqing University of Science & Technology, Shapingba District, Chongqing 401331, China
| | - Hairong Zheng
- Shenzhen
Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced
Technology, Chinese Academy of Sciences, University Town of Shenzhen, Shenzhen, Guangdong 518055, China
| | - Jiangyu Li
- Shenzhen
Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced
Technology, Chinese Academy of Sciences, University Town of Shenzhen, Shenzhen, Guangdong 518055, China
- Department
of Mechanical Engineering, University of Washington, Seattle, Washington 98195, United States
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33
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Zhang Y, Li J, Boutis GS. The Coupled Bio-Chemo-Electro-Mechanical Behavior of Glucose Exposed Arterial Elastin. JOURNAL OF PHYSICS D: APPLIED PHYSICS 2017; 50:133001. [PMID: 28989186 PMCID: PMC5626447 DOI: 10.1088/1361-6463/aa5c55] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Elastin, the principle protein component of the elastic fiber, is a critical extracellular matrix (ECM) component of the arterial wall providing structural resilience and biological signaling essential in vascular morphogenesis and maintenance of mechanical homeostasis. Pathogenesis of many cardiovascular diseases have been associated with alterations of elastin. As a long-lived ECM protein that is deposited and organized before adulthood, elastic fibers can suffer from cumulative effects of biochemical exposure encountered during aging and/or disease, which greatly compromise their mechanical function. This review article covers findings from recent studies of the mechanical and structural contribution of elastin to vascular function, and the effects of biochemical degradation. Results from diverse experimental methods including tissue-level mechanical characterization, fiber-level nonlinear optical imaging, piezoelectric force microscopy, and nuclear magnetic resonance are reviewed. The intriguing coupled bio-chemo-electro-mechanical behavior of elastin calls for a multi-scale and multi-physical understanding of ECM mechanics and mechanobiology in vascular remodeling.
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Affiliation(s)
- Yanhang Zhang
- Department of Mechanical Engineering, Boston University, Boston, MA, USA
- Department of Biomedical Engineering, Boston University, Boston, MA, USA
| | - Jiangyu Li
- Department of Mechanical Engineering, University of Washington, Seattle, WA, USA
- Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Gregory S Boutis
- Department of Physics, Brooklyn College and The Graduate Center, The City University of New York, NY, USA
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34
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Tang Y, Wu C, Wu Z, Hu L, Zhang W, Zhao K. Fabrication and in vitro biological properties of piezoelectric bioceramics for bone regeneration. Sci Rep 2017; 7:43360. [PMID: 28240268 PMCID: PMC5327417 DOI: 10.1038/srep43360] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 01/23/2017] [Indexed: 01/27/2023] Open
Abstract
The piezoelectric effect of biological piezoelectric materials promotes bone growth. However, the material should be subjected to stress before it can produce an electric charge that promotes bone repair and reconstruction conducive to fracture healing. A novel method for in vitro experimentation of biological piezoelectric materials with physiological load is presented. A dynamic loading device that can simulate the force of human motion and provide periodic load to piezoelectric materials when co-cultured with cells was designed to obtain a realistic expression of piezoelectric effect on bone repair. Hydroxyapatite (HA)/barium titanate (BaTiO3) composite materials were fabricated by slip casting, and their piezoelectric properties were obtained by polarization. The d33 of HA/BaTiO3 piezoelectric ceramics after polarization was 1.3 pC/N to 6.8 pC/N with BaTiO3 content ranging from 80% to 100%. The in vitro biological properties of piezoelectric bioceramics with and without cycle loading were investigated. When HA/BaTiO3 piezoelectric bioceramics were affected by cycle loading, the piezoelectric effect of BaTiO3 promoted the growth of osteoblasts and interaction with HA, which was better than the effect of HA alone. The best biocompatibility and bone-inducing activity were demonstrated by the 10%HA/90%BaTiO3 piezoelectric ceramics.
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Affiliation(s)
- Yufei Tang
- Department of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, PR China
| | - Cong Wu
- Department of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, PR China
| | - Zixiang Wu
- Institute of Orthopaedics, Xi'jing Hospital, The Fourth Military Medical University, Xi'an 710032, PR China
| | - Long Hu
- Department of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, PR China
| | - Wei Zhang
- Institute of Orthopaedics, Xi'jing Hospital, The Fourth Military Medical University, Xi'an 710032, PR China
| | - Kang Zhao
- Department of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, PR China
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35
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Piecha-Bisiorek A, Gągor A, Isakov D, Zieliński P, Gałązka M, Jakubas R. Phase sequence in diisopropylammonium iodide: avoided ferroelectricity by the appearance of a reconstructed phase. Inorg Chem Front 2017. [DOI: 10.1039/c6qi00583g] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Crystals of diisopropylammonium iodide are synthesized, grown and characterized.
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Affiliation(s)
| | - A. Gągor
- W. Trzebiatowski Institute of Low Temperature and Structure Research PAS
- 50-950 Wrocław
- Poland
| | - D. Isakov
- University of Minho
- Centre of Physics
- 4710-057 Braga
- Portugal
- University of Oxford
| | - P. Zieliński
- The H. Niewodniczański Institute of Nuclear Physics
- PAS
- 31-342 Kraków
- Poland
| | - M. Gałązka
- The H. Niewodniczański Institute of Nuclear Physics
- PAS
- 31-342 Kraków
- Poland
| | - R. Jakubas
- Faculty of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
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36
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Teodori L, Crupi A, Costa A, Diaspro A, Melzer S, Tarnok A. Three-dimensional imaging technologies: a priority for the advancement of tissue engineering and a challenge for the imaging community. JOURNAL OF BIOPHOTONICS 2017; 10:24-45. [PMID: 27110674 DOI: 10.1002/jbio.201600049] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 04/04/2016] [Accepted: 04/05/2016] [Indexed: 06/05/2023]
Abstract
Tissue engineering/regenerative medicine (TERM) is an interdisciplinary field that applies the principle of engineering and life sciences to restore/replace damaged tissues/organs with in vitro artificially-created ones. Research on TERM quickly moves forward. Today newest technologies and discoveries, such as 3D-/bio-printing, allow in vitro fabrication of ex-novo made tissues/organs, opening the door to wide and probably never-ending application possibilities, from organ transplant to drug discovery, high content screening and replacement of laboratory animals. Imaging techniques are fundamental tools for the characterization of tissue engineering (TE) products at any stage, from biomaterial/scaffold to construct/organ analysis. Indeed, tissue engineers need versatile imaging methods capable of monitoring not only morphological but also functional and molecular features, allowing three-dimensional (3D) and time-lapse in vivo analysis, in a non-destructive, quantitative, multidimensional analysis of TE constructs, to analyze their pre-implantation quality assessment and their fate after implantation. This review focuses on the newest developments in imaging technologies and applications in the context of requirements of the different steps of the TERM field, describing strengths and weaknesses of the current imaging approaches.
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Affiliation(s)
- Laura Teodori
- Diagnostics and Metrology Laboratory FSN-TECFIS-DIM ENEA CR Frascati, Via Enrico Fermi 44, 00044, Rome, Italy
| | - Annunziata Crupi
- Diagnostics and Metrology Laboratory FSN-TECFIS-DIM ENEA CR Frascati, Via Enrico Fermi 44, 00044, Rome, Italy
- Fondazione San Raffaele, S.S. Ceglie San Michele km 1200, 72013, Ceglie Messapica, Italy
| | - Alessandra Costa
- University of Pittsburgh McGowan Institute, 3550 Terrace St 5606, Pittsburgh, PA 15261, USA
| | - Alberto Diaspro
- Department of Nanophysics, Istituto Italiano di Tecnologia, Genova, Italy
- Dipartimento di Fisica, Università degli Studi di Genova, Genova, Italy
- Nikon Imaging Center, Genova, Italy, www.nic.iit.it
| | - Susanne Melzer
- Sächsische Inkubator für klinische Translation (SIKT), University of Leipzig, Philipp-Rosenthal-Straße 55, 04103, Leipzig, Germany
- Department of Pediatric Cardiology, HELIOS Heart Center Leipzig, University of Leipzig, Strümpellstraße 39, 04289, Leipzig, Germany
| | - Attila Tarnok
- Sächsische Inkubator für klinische Translation (SIKT), University of Leipzig, Philipp-Rosenthal-Straße 55, 04103, Leipzig, Germany
- Department of Pediatric Cardiology, HELIOS Heart Center Leipzig, University of Leipzig, Strümpellstraße 39, 04289, Leipzig, Germany
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37
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Liu XY, Yan F, Niu LL, Chen QN, Zheng HR, Li JY. Strong correlation between early stage atherosclerosis and electromechanical coupling of aorta. NANOSCALE 2016; 8:6975-6980. [PMID: 26972797 DOI: 10.1039/c5nr07398g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Atherosclerosis is the underlying cause of cardiovascular diseases that are responsible for many deaths in the world, and the early diagnosis of atherosclerosis is highly desirable. The existing imaging methods, however, are not capable of detecting the early stage of atherosclerosis development due to their limited spatial resolution. Using piezoresponse force microscopy (PFM), we show that the piezoelectric response of an aortic wall increases as atherosclerosis advances, while the stiffness of the aorta shows a less evident correlation with atherosclerosis. Furthermore, we show that there is strong correlation between the coercive electric field necessary to switch the polarity of the artery and the development of atherosclerosis. Thus by measuring the electromechanical coupling of the aortic wall, it is possible to probe atherosclerosis at the early stage of its development, not only improving the spatial resolution by orders of magnitude, but also providing comprehensive quantitative information on the biomechanical properties of the artery.
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Affiliation(s)
- X Y Liu
- College of Metallurgy and Materials Engineering, Chongqing Key Laboratory of Nano/Micro Composites and Devices, Chongqing University of Science & Technology, Chongqing, China
| | - F Yan
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China and Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.
| | - L L Niu
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China and Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.
| | - Q N Chen
- Department of Mechanical Engineering, University of Washington, Seattle, WA, USA
| | - H R Zheng
- Paul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China and Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.
| | - J Y Li
- Department of Mechanical Engineering, University of Washington, Seattle, WA, USA and Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.
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38
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Affiliation(s)
- Qi Li
- Department of Materials Scienceand Engineering; The Pennsylvania State University; University Park PA 16802 USA
| | - Qing Wang
- Department of Materials Scienceand Engineering; The Pennsylvania State University; University Park PA 16802 USA
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39
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Bevington M. Lunar biological effects and the magnetosphere. PATHOPHYSIOLOGY 2015; 22:211-22. [DOI: 10.1016/j.pathophys.2015.08.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2012] [Revised: 08/12/2015] [Accepted: 08/28/2015] [Indexed: 12/24/2022] Open
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40
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Piecha-Bisiorek A, Białoska A, Jakubas R, Zieliski P, Wojciechowska M, Gałzka M. Strong Improper Ferroelasticity and Weak Canted Ferroelectricity in a Martensitic-Like Phase Transition of Diisobutylammonium Bromide. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:5023-5027. [PMID: 26192617 DOI: 10.1002/adma.201501812] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 06/25/2015] [Indexed: 06/04/2023]
Abstract
Diisobutylammonium bromide is found to be a unique improper ferroelastic in which the elastic degrees of freedom seem to play the essential role, giving rise to a domain pattern resembling that of martensitic phase transitions. A weak canted ferroelectricity turns out switchable by an electric field.
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Affiliation(s)
- Anna Piecha-Bisiorek
- Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383, Wrocław, Poland
| | - Agata Białoska
- Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383, Wrocław, Poland
| | - Ryszard Jakubas
- Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383, Wrocław, Poland
| | - Piotr Zieliski
- The H. Niewodniczaski Institute of Nuclear Physics, PAN, ul. Radzikowskiego 152, 31-342, Kraków, Poland
| | - Martyna Wojciechowska
- Faculty of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50-383, Wrocław, Poland
| | - Mirosław Gałzka
- The H. Niewodniczaski Institute of Nuclear Physics, PAN, ul. Radzikowskiego 152, 31-342, Kraków, Poland
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41
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Balke N, Maksymovych P, Jesse S, Herklotz A, Tselev A, Eom CB, Kravchenko II, Yu P, Kalinin SV. Differentiating Ferroelectric and Nonferroelectric Electromechanical Effects with Scanning Probe Microscopy. ACS NANO 2015; 9:6484-92. [PMID: 26035634 DOI: 10.1021/acsnano.5b02227] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Ferroelectricity in functional materials remains one of the most fascinating areas of modern science in the past several decades. In the last several years, the rapid development of piezoresponse force microscopy (PFM) and spectroscopy revealed the presence of electromechanical hysteresis loops and bias-induced remnant polar states in a broad variety of materials including many inorganic oxides, polymers, and biosystems. In many cases, this behavior was interpreted as the ample evidence for ferroelectric nature of the system. Here, we systematically analyze PFM responses on ferroelectric and nonferroelectric materials and demonstrate that mechanisms unrelated to ferroelectricity can induce ferroelectric-like characteristics through charge injection and electrostatic forces on the tip. We will focus on similarities and differences in various PFM measurement characteristics to provide an experimental guideline to differentiate between ferroelectric material properties and charge injection. In the end, we apply the developed measurement protocols to an unknown ferroelectric material.
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Affiliation(s)
| | | | | | | | | | - Chang-Beom Eom
- ∥Materials Science and Engineering, University of Wisconsin, Madison, Wisconsin 53706, United States
| | | | - Pu Yu
- ⊥State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing 100084, China
- #Collaborative Innovation Center of Quantum Matter, Beijing 100084, China
- ¶RIKEN Center for Emergent Matter Science (CEMS), Wako, Saitama 351-0198, Japan
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42
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Liao WQ, Zhang Y, Hu CL, Mao JG, Ye HY, Li PF, Huang SD, Xiong RG. A lead-halide perovskite molecular ferroelectric semiconductor. Nat Commun 2015; 6:7338. [PMID: 26021758 PMCID: PMC4458893 DOI: 10.1038/ncomms8338] [Citation(s) in RCA: 316] [Impact Index Per Article: 35.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Accepted: 04/29/2015] [Indexed: 12/22/2022] Open
Abstract
Inorganic semiconductor ferroelectrics such as BiFeO3 have shown great potential in photovoltaic and other applications. Currently, semiconducting properties and the corresponding application in optoelectronic devices of hybrid organo-plumbate or stannate are a hot topic of academic research; more and more of such hybrids have been synthesized. Structurally, these hybrids are suitable for exploration of ferroelectricity. Therefore, the design of molecular ferroelectric semiconductors based on these hybrids provides a possibility to obtain new or high-performance semiconductor ferroelectrics. Here we investigated Pb-layered perovskites, and found the layer perovskite (benzylammonium)2PbCl4 is ferroelectric with semiconducting behaviours. It has a larger ferroelectric spontaneous polarization Ps=13 μC cm−2 and a higher Curie temperature Tc=438 K with a band gap of 3.65 eV. This finding throws light on the new properties of the hybrid organo-plumbate or stannate compounds and provides a new way to develop new semiconductor ferroelectrics. Lead-halide perovskite compounds have seen a considerable interest for their optoelectronic properties. Here, the authors discover a ferroelectric halide perovskite compound as an alternative pathway towards designing semiconductor ferroelectrics.
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Affiliation(s)
- Wei-Qiang Liao
- Ordered Matter Science Research Center, Southeast University, Nanjing 211189, China
| | - Yi Zhang
- Ordered Matter Science Research Center, Southeast University, Nanjing 211189, China
| | - Chun-Li Hu
- Fujian Institute of Research on the Structure of Matter, The Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Jiang-Gao Mao
- Fujian Institute of Research on the Structure of Matter, The Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Heng-Yun Ye
- Ordered Matter Science Research Center, Southeast University, Nanjing 211189, China
| | - Peng-Fei Li
- Ordered Matter Science Research Center, Southeast University, Nanjing 211189, China
| | - Songping D Huang
- Department of Chemistry and Biochemistry, Kent State University, Kent, Ohio 44240, USA
| | - Ren-Gen Xiong
- 1] Ordered Matter Science Research Center, Southeast University, Nanjing 211189, China [2] Department of Chemistry and Biochemistry, Kent State University, Kent, Ohio 44240, USA
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43
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Tayi AS, Kaeser A, Matsumoto M, Aida T, Stupp SI. Supramolecular ferroelectrics. Nat Chem 2015; 7:281-94. [PMID: 25803466 DOI: 10.1038/nchem.2206] [Citation(s) in RCA: 257] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Accepted: 02/12/2015] [Indexed: 12/25/2022]
Abstract
Supramolecular chemistry uses non-covalent interactions to coax molecules into forming ordered assemblies. The construction of ordered materials with these reversible bonds has led to dramatic innovations in organic electronics, polymer science and biomaterials. Here, we review how supramolecular strategies can advance the burgeoning field of organic ferroelectricity. Ferroelectrics - materials with a spontaneous and electrically reversible polarization - are touted for use in non-volatile computer memories, sensors and optics. Historically, this physical phenomenon has been studied in inorganic materials, although some organic examples are known and strong interest exists to extend the search for ferroelectric molecular systems. Other undiscovered applications outside this regime could also emerge. We describe the key features necessary for molecular and supramolecular dipoles in organic ferroelectrics and their incorporation into ordered systems, such as porous frameworks and liquid crystals. The goal of this Review is to motivate the development of innovative supramolecular ferroelectrics that exceed the performance and usefulness of known systems.
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Affiliation(s)
- Alok S Tayi
- 1] Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford St., Cambridge, Massachusetts 02143, USA [2] Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Adrien Kaeser
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Michio Matsumoto
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Takuzo Aida
- 1] Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan [2] RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Samuel I Stupp
- 1] Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, Illinois 60208, USA [2] Department of Chemistry, Northwestern University, 2220 Campus Drive, Evanston, Illinois 60208, USA [3] Department of Medicine, Northwestern University, 251 East Huron Street, Chicago, Illinois 60611, USA [4] Simpson Querrey Institute for BioNanotechnology, Northwestern University, 303 East Superior Street, Suite 11-131, Chicago, Illinois 60611, USA
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44
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Zhu J, Gao K, Xiao S, Qiu X, Cai HL, Wu XS. Relaxation of ferroelectric thin films of diisopropylammonium perchlorate. Phys Chem Chem Phys 2015; 17:4029-33. [DOI: 10.1039/c4cp05451b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Molecular ferroelectric thin films are highly desirable for their easy and environmentally friendly processing, light weight, and mechanical flexibility.
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Affiliation(s)
- Jiansheng Zhu
- National Laboratory of Solid State Microstructures and School of Physics
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Kaige Gao
- National Laboratory of Solid State Microstructures and School of Physics
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Shuyu Xiao
- National Laboratory of Solid State Microstructures and School of Physics
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Xiangbiao Qiu
- Department of Materials Science and Engineering
- College of Engineering and Applied Sciences
- Nanjing University
- Nanjing 210093
- China
| | - Hong-Ling Cai
- National Laboratory of Solid State Microstructures and School of Physics
- Nanjing University
- Nanjing 210093
- P. R. China
| | - X. S. Wu
- National Laboratory of Solid State Microstructures and School of Physics
- Nanjing University
- Nanjing 210093
- P. R. China
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45
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Kim KL, Huber JE. Mapping of ferroelectric domain structure using angle-resolved piezoresponse force microscopy. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2015; 86:013705. [PMID: 25638088 DOI: 10.1063/1.4905334] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Angle-resolved piezoresponse force microscopy (AR-PFM) was used in conjunction with electron backscatter diffraction (EBSD) to study ferroelectric domain structure in polycrystalline near-morphotropic lead zirconate titanate (PZT). We introduce the details of AR-PFM including experimental method, the process to generate AR-PFM maps, and the interpretation of AR-PFM map, using domain patterns observed in bulk PZT. The spatial distortion caused by scanner creep and non-linearity in scanning probe microscopy was corrected through image registration, taking advantage of the features present in topography images. Domain structures were mapped using AR-PFM data, and the maps consistently show alternating piezoresponse axes in a lamellar pattern of non-180° domain structure. Comparison of AR-PFM and EBSD data showed a discrepancy between the direction of lateral surface displacement and the in-plane polarization direction. Additionally, using suitable domain patterns, AR-PFM enabled discrimination between the tetragonal and rhombohedral phases at the sub-grain scale.
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Affiliation(s)
- K L Kim
- Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, United Kingdom
| | - J E Huber
- Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, United Kingdom
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46
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Zhang Y, Ye HY, Cai HL, Fu DW, Ye Q, Zhang W, Zhou Q, Wang J, Yuan GL, Xiong RG. Switchable dielectric, piezoelectric, and second-harmonic generation bistability in a new improper ferroelectric above room temperature. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:4515-4520. [PMID: 24789577 DOI: 10.1002/adma.201400806] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Revised: 04/01/2014] [Indexed: 06/03/2023]
Abstract
Imidazolium periodate (IPI) is found to be an improper ferroelectric. It shows bistable properties simultaneously in three channels of dielectricity, piezoelectricity, and second-harmonic generation within the temperature window 300-310 K.
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Affiliation(s)
- Yi Zhang
- Ordered Matter Science Research Centre, Southeast University, Nanjing, 211189, P. R. China
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47
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Deng Q, Liu L, Sharma P. Electrets in soft materials: nonlinearity, size effects, and giant electromechanical coupling. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2014; 90:012603. [PMID: 25122328 DOI: 10.1103/physreve.90.012603] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Indexed: 06/03/2023]
Abstract
Development of soft electromechanical materials is critical for several tantalizing applications such as soft robots and stretchable electronics, among others. Soft nonpiezoelectric materials can be coaxed to behave like piezoelectrics by merely embedding charges and dipoles in their interior and assuring some elastic heterogeneity. Such so-called electret materials have been experimentally shown to exhibit very large electromechanical coupling. In this work, we derive rigorous nonlinear expressions that relate effective electromechanical coupling to the creation of electret materials. In contrast to the existing models, we are able to both qualitatively and quantitatively capture the known experimental results on the nonlinear response of electret materials. Furthermore, we show that the presence of another form of electromechanical coupling, flexoelectricity, leads to size effects that dramatically alter the electromechanical response at submicron feature sizes. One of our key conclusions is that nonlinear deformation (prevalent in soft materials) significantly enhances the flexoelectric response and hence the aforementioned size effects.
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Affiliation(s)
- Qian Deng
- Materials Program and Department of Mechanical Engineering, University of Houston, Houston, Texas 77204, USA
| | - Liping Liu
- Department of Mathematics and Department of Mechanical Aerospace Engineering, Rutgers University, Piscataway, New Jersey 08854, USA
| | - Pradeep Sharma
- Department of Physics, Materials Program, and Department of Mechanical Engineering, University of Houston, Houston, Texas 77204, USA
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48
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Abstract
Ferroelectricity has long been speculated to have important biological functions, although its very existence in biology has never been firmly established. Here, we present compelling evidence that elastin, the key ECM protein found in connective tissues, is ferroelectric, and we elucidate the molecular mechanism of its switching. Nanoscale piezoresponse force microscopy and macroscopic pyroelectric measurements both show that elastin retains ferroelectricity at 473 K, with polarization on the order of 1 μC/cm(2), whereas coarse-grained molecular dynamics simulations predict similar polarization with a Curie temperature of 580 K, which is higher than most synthetic molecular ferroelectrics. The polarization of elastin is found to be intrinsic in tropoelastin at the monomer level, analogous to the unit cell level polarization in classical perovskite ferroelectrics, and it switches via thermally activated cooperative rotation of dipoles. Our study sheds light onto a long-standing question on ferroelectric switching in biology and establishes ferroelectricity as an important biophysical property of proteins. This is a critical first step toward resolving its physiological significance and pathological implications.
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49
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Zhang Y, Liu Y, Ye HY, Fu DW, Gao W, Ma H, Liu Z, Liu Y, Zhang W, Li J, Yuan GL, Xiong RG. A molecular ferroelectric thin film of imidazolium perchlorate that shows superior electromechanical coupling. Angew Chem Int Ed Engl 2014; 53:5064-8. [PMID: 24692257 DOI: 10.1002/anie.201400348] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 03/05/2014] [Indexed: 11/10/2022]
Abstract
Molecular ferroelectric thin films are highly desirable for their easy and environmentally friendly processing, light weight, and mechanical flexibility. A thin film of imidazolium perchlorate processed from aqueous solution is an excellent molecular ferroelectric with high spontaneous polarization, high Curie temperature, low coercivity, and superior electromechanical coupling. These attributes make it a molecular alternative to perovskite ferroelectric films in sensing, actuation, data storage, electro-optics, and molecular/flexible electronics.
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Affiliation(s)
- Yi Zhang
- Ordered Matter Science Research Center, Southeast University, Nanjing 211189 (P. R. China)
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50
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Zhang Y, Liu Y, Ye HY, Fu DW, Gao W, Ma H, Liu Z, Liu Y, Zhang W, Li J, Yuan GL, Xiong RG. A Molecular Ferroelectric Thin Film of Imidazolium Perchlorate That Shows Superior Electromechanical Coupling. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201400348] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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