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Cheng WN, Niu M, Meng Y, Han X, Qiao J, Zhang J, Zhao X. Engineering Charge Density Waves by Stackingtronics in Tantalum Disulfide. NANO LETTERS 2024; 24:6441-6449. [PMID: 38757836 DOI: 10.1021/acs.nanolett.4c01771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
In the realm of condensed matter physics and materials science, charge density waves (CDWs) have emerged as a captivating way to modulate correlated electronic phases and electron oscillations in quantum materials. However, collectively and efficiently tuning CDW order is a formidable challenge. Herein, we introduced a novel way to modulate the CDW order in 1T-TaS2 via stacking engineering. By introducing shear strain during the electrochemical exfoliation, the thermodynamically stable AA-stacked TaS2 consecutively transform into metastable ABC stacking, resulting in unique 3a × 1a CDW order. By decoupling atom coordinates, we atomically deciphered the 3D subtle structural variations in trilayer samples. As suggested by density functional theory (DFT) calculations, the origin of CDWs is presumably due to collective excitations and charge modulation. Therefore, our works shed light on a new avenue to collectively modulate the CDW order via stackingtronics and unveiled novel mechanisms for triggering CDW formation via charge modulation.
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Affiliation(s)
- Wing Ni Cheng
- School of Materials Science and Engineering, Peking University, Beijing 100871, China
| | - Mengmeng Niu
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices & Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing 100081, China
| | - Yuan Meng
- School of Materials Science and Engineering, Peking University, Beijing 100871, China
| | - Xiaocang Han
- School of Materials Science and Engineering, Peking University, Beijing 100871, China
| | - Jingsi Qiao
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices & Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing 100081, China
| | - Jin Zhang
- School of Materials Science and Engineering, Peking University, Beijing 100871, China
| | - Xiaoxu Zhao
- School of Materials Science and Engineering, Peking University, Beijing 100871, China
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Dai Y, He Q, Huang Y, Duan X, Lin Z. Solution-Processable and Printable Two-Dimensional Transition Metal Dichalcogenide Inks. Chem Rev 2024; 124:5795-5845. [PMID: 38639932 DOI: 10.1021/acs.chemrev.3c00791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Two-dimensional (2D) transition metal dichalcogenides (TMDs) with layered crystal structures have been attracting enormous research interest for their atomic thickness, mechanical flexibility, and excellent electronic/optoelectronic properties for applications in diverse technological areas. Solution-processable 2D TMD inks are promising for large-scale production of functional thin films at an affordable cost, using high-throughput solution-based processing techniques such as printing and roll-to-roll fabrications. This paper provides a comprehensive review of the chemical synthesis of solution-processable and printable 2D TMD ink materials and the subsequent assembly into thin films for diverse applications. We start with the chemical principles and protocols of various synthesis methods for 2D TMD nanosheet crystals in the solution phase. The solution-based techniques for depositing ink materials into solid-state thin films are discussed. Then, we review the applications of these solution-processable thin films in diverse technological areas including electronics, optoelectronics, and others. To conclude, a summary of the key scientific/technical challenges and future research opportunities of solution-processable TMD inks is provided.
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Affiliation(s)
- Yongping Dai
- Department of Chemistry, Engineering Research Center of Advanced Rare Earth Materials (Ministry of Education), Tsinghua University, Beijing 100084, China
| | - Qiyuan He
- Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 99907, China
| | - Yu Huang
- Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Xiangfeng Duan
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
- California NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Zhaoyang Lin
- Department of Chemistry, Engineering Research Center of Advanced Rare Earth Materials (Ministry of Education), Tsinghua University, Beijing 100084, China
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Song X, Huang X, Yang H, Jia L, Zhang Q, Huang Y, Wu X, Liu L, Gao HJ, Wang Y. Robust Behavior of Charge Density Wave Quantum Motif Star-of-David in 2D NbSe 2 Nanocrystals. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2305159. [PMID: 37635109 DOI: 10.1002/smll.202305159] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/02/2023] [Indexed: 08/29/2023]
Abstract
Charge density wave (CDW) is a typical collective phenomenon, and the phase change is generally accompanied by electronic transition with potential device applications. For the continuous miniaturization of devices, it is important to investigate the size effect down to the nanoscale. In this work, single-layer (SL) 1T-NbSe2 islands provide an ideal research platform to investigate the size effect on CDW arrangement and electronic states. The CDW motifs (Star-of-David [SOD]) at the island border are along the edge, and those at the interior tend to arrange in a triangular lattice for islands as small as 5 nm. Interestingly, in some small islands, the SOD clusters rearrange into a square-like lattice, and each SOD cluster remains robust as a quantum motif, both in the sense of geometry and electronic structures. Moreover, the electronic structure at the center of the small islands is downwards shifted compared to the big islands, explained by the spatial extension of the band bending originating from the edge of the islands. These findings reveal the robust behavior of CDW motifs down to the nanoscale and provide new insights into the size-limiting effect on 2D2D CDW ordering and electronic states down to a few nanometer extremes.
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Affiliation(s)
- Xuan Song
- School of Integrated Circuits and Electronics, MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, Beijing Institute of Technology, Beijing, 100081, China
| | - Xinyu Huang
- School of Integrated Circuits and Electronics, MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, Beijing Institute of Technology, Beijing, 100081, China
| | - Han Yang
- School of Integrated Circuits and Electronics, MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, Beijing Institute of Technology, Beijing, 100081, China
| | - Liangguang Jia
- School of Integrated Circuits and Electronics, MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, Beijing Institute of Technology, Beijing, 100081, China
| | - Quanzhen Zhang
- School of Integrated Circuits and Electronics, MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, Beijing Institute of Technology, Beijing, 100081, China
| | - Yuan Huang
- School of Integrated Circuits and Electronics, MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, Beijing Institute of Technology, Beijing, 100081, China
| | - Xu Wu
- School of Integrated Circuits and Electronics, MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, Beijing Institute of Technology, Beijing, 100081, China
| | - Liwei Liu
- School of Integrated Circuits and Electronics, MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, Beijing Institute of Technology, Beijing, 100081, China
| | - Hong-Jun Gao
- Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yeliang Wang
- School of Integrated Circuits and Electronics, MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, Beijing Institute of Technology, Beijing, 100081, China
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Barani Z, Geremew T, Stokey M, Sesing N, Taheri M, Hilfiker MJ, Kargar F, Schubert M, Salguero TT, Balandin AA. Quantum Composites with Charge-Density-Wave Fillers. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2209708. [PMID: 36812299 DOI: 10.1002/adma.202209708] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 02/12/2023] [Indexed: 05/12/2023]
Abstract
A unique class of advanced materials-quantum composites based on polymers with fillers composed of a van der Waals quantum material that reveals multiple charge-density-wave quantum condensate phases-is demonstrated. Materials that exhibit quantum phenomena are typically crystalline, pure, and have few defects because disorder destroys the coherence of the electrons and phonons, leading to collapse of the quantum states. The macroscopic charge-density-wave phases of filler particles after multiple composite processing steps are successfully preserved in this work. The prepared composites display strong charge-density-wave phenomena even above room temperature. The dielectric constant experiences more than two orders of magnitude enhancement while the material maintains its electrically insulating properties, opening a venue for advanced applications in energy storage and electronics. The results present a conceptually different approach for engineering the properties of materials, extending the application domain for van der Waals materials.
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Affiliation(s)
- Zahra Barani
- Phonon Optimized Engineered Materials Center, Department of Electrical and Computer Engineering, University of California, Riverside, Riverside, CA, 92521, USA
| | - Tekwam Geremew
- Phonon Optimized Engineered Materials Center, Department of Electrical and Computer Engineering, University of California, Riverside, Riverside, CA, 92521, USA
| | - Megan Stokey
- Department of Electrical and Computer Engineering, University of Nebraska, Lincoln, NE, 68588, USA
| | - Nicholas Sesing
- Department of Chemistry, University of Georgia, Athens, GA, 30602, USA
| | - Maedeh Taheri
- Phonon Optimized Engineered Materials Center, Department of Electrical and Computer Engineering, University of California, Riverside, Riverside, CA, 92521, USA
| | - Matthew J Hilfiker
- Department of Electrical and Computer Engineering, University of Nebraska, Lincoln, NE, 68588, USA
| | - Fariborz Kargar
- Phonon Optimized Engineered Materials Center, Department of Electrical and Computer Engineering, University of California, Riverside, Riverside, CA, 92521, USA
| | - Mathias Schubert
- Department of Electrical and Computer Engineering, University of Nebraska, Lincoln, NE, 68588, USA
| | - Tina T Salguero
- Department of Chemistry, University of Georgia, Athens, GA, 30602, USA
| | - Alexander A Balandin
- Phonon Optimized Engineered Materials Center, Department of Electrical and Computer Engineering, University of California, Riverside, Riverside, CA, 92521, USA
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Taheri M, Brown J, Rehman A, Sesing N, Kargar F, Salguero TT, Rumyantsev S, Balandin AA. Electrical Gating of the Charge-Density-Wave Phases in Two-Dimensional h-BN/1T-TaS 2 Devices. ACS NANO 2022; 16:18968-18977. [PMID: 36315105 DOI: 10.1021/acsnano.2c07876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
We report on the electrical gating of the charge-density-wave phases and current in h-BN-capped three-terminal 1T-TaS2 heterostructure devices. It is demonstrated that the application of a gate bias can shift the source-drain current-voltage hysteresis associated with the transition between the nearly commensurate and incommensurate charge-density-wave phases. The evolution of the hysteresis and the presence of abrupt spikes in the current while sweeping the gate voltage suggest that the effect is electrical rather than self-heating. We attribute the gating to an electric-field effect on the commensurate charge-density-wave domains in the atomic planes near the gate dielectric. The transition between the nearly commensurate and incommensurate charge-density-wave phases can be induced by both the source-drain current and the electrostatic gate. Since the charge-density-wave phases are persistent in 1T-TaS2 at room temperature, one can envision memory applications of such devices when scaled down to the dimensions of individual commensurate domains and few-atomic plane thicknesses.
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Affiliation(s)
- Maedeh Taheri
- Nano-Device Laboratory, Department of Electrical and Computer Engineering, Bourns College of Engineering, University of California, Riverside, California 92521, United States
| | - Jonas Brown
- Nano-Device Laboratory, Department of Electrical and Computer Engineering, Bourns College of Engineering, University of California, Riverside, California 92521, United States
| | - Adil Rehman
- CENTERA Laboratories, Institute of High-Pressure Physics, Polish Academy of Sciences, Warsaw 01-142, Poland
| | - Nicholas Sesing
- Department of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Fariborz Kargar
- Nano-Device Laboratory, Department of Electrical and Computer Engineering, Bourns College of Engineering, University of California, Riverside, California 92521, United States
- Phonon Optimized Engineered Materials Center, Materials Science and Engineering Program, Bourns College of Engineering, University of California, Riverside, California 92521, United States
| | - Tina T Salguero
- Department of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Sergey Rumyantsev
- CENTERA Laboratories, Institute of High-Pressure Physics, Polish Academy of Sciences, Warsaw 01-142, Poland
| | - Alexander A Balandin
- Nano-Device Laboratory, Department of Electrical and Computer Engineering, Bourns College of Engineering, University of California, Riverside, California 92521, United States
- Phonon Optimized Engineered Materials Center, Materials Science and Engineering Program, Bourns College of Engineering, University of California, Riverside, California 92521, United States
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Scandurra G, Ciofi C, Smulko J, Wen H. A review of design approaches for the implementation of low-frequency noise measurement systems. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2022; 93:111101. [PMID: 36461421 DOI: 10.1063/5.0116589] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/20/2022] [Indexed: 06/17/2023]
Abstract
Electronic noise has its roots in the fundamental physical interactions between matter and charged particles, carrying information about the phenomena that occur at the microscopic level. Therefore, Low-Frequency Noise Measurements (LFNM) are a well-established technique for the characterization of electron devices and materials and, compared to other techniques, they offer the advantage of being non-destructive and of providing a more detailed view of what happens in the matter during the manifestation of physical or chemical phenomena. For this reason, LFNM acquire particular importance in the modern technological era in which the introduction of new advanced materials requires in-depth and thorough characterization of the conduction phenomena. LFNM also find application in the field of sensors, as they allow to obtain more selective sensing systems even starting from conventional sensors. Performing meaningful noise measurements, however, requires that the background noise introduced by the measurement chain be much smaller than the noise to be detected and the instrumentation available on the market does not always meet the specifications required for reaching the ultimate sensitivity. Researchers willing to perform LFNM must often resort to the design of dedicated instrumentation in their own laboratories, but their cultural background does not necessarily include the ability to design, build, and test dedicated low noise instrumentation. In this review, we have tried to provide as much theoretical and practical guidelines as possible, so that even researchers with a limited background in electronic engineering can find useful information in developing or customizing low noise instrumentation.
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Affiliation(s)
- G Scandurra
- Department of Engineering, University of Messina, Messina 98166, Italy
| | - C Ciofi
- Department of Engineering, University of Messina, Messina 98166, Italy
| | - J Smulko
- Department of Metrology and Optoelectronics, Gdańsk University of Technology, 80-233 Gdańsk, Poland
| | - H Wen
- College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
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