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Rodilla BL, Arché-Núñez A, Ruiz-Gómez S, Domínguez-Bajo A, Fernández-González C, Guillén-Colomer C, González-Mayorga A, Rodríguez-Díez N, Camarero J, Miranda R, López-Dolado E, Ocón P, Serrano MC, Pérez L, González MT. Flexible metallic core-shell nanostructured electrodes for neural interfacing. Sci Rep 2024; 14:3729. [PMID: 38355737 PMCID: PMC10866994 DOI: 10.1038/s41598-024-53719-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 02/04/2024] [Indexed: 02/16/2024] Open
Abstract
Electrodes with nanostructured surface have emerged as promising low-impedance neural interfaces that can avoid the charge-injection restrictions typically associated to microelectrodes. In this work, we propose a novel approximation, based on a two-step template assisted electrodeposition technique, to obtain flexible nanostructured electrodes coated with core-shell Ni-Au vertical nanowires. These nanowires benefit from biocompatibility of the Au shell exposed to the environment and the mechanical properties of Ni that allow for nanowires longer and more homogeneous in length than their only-Au counterparts. The nanostructured electrodes show impedance values, measured by electrochemical impedance spectroscopy (EIS), at least 9 times lower than those of flat reference electrodes. This ratio is in good accordance with the increased effective surface area determined both from SEM images and cyclic voltammetry measurements, evidencing that only Au is exposed to the medium. The observed EIS profile evolution of Ni-Au electrodes over 7 days were very close to those of Au electrodes and differently from Ni ones. Finally, the morphology, viability and neuronal differentiation of rat embryonic cortical cells cultured on Ni-Au NW electrodes were found to be similar to those on control (glass) substrates and Au NW electrodes, accompanied by a lower glial cell differentiation. This positive in-vitro neural cell behavior encourages further investigation to explore the tissue responses that the implantation of these nanostructured electrodes might elicit in healthy (damaged) neural tissues in vivo, with special emphasis on eventual tissue encapsulation.
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Affiliation(s)
- Beatriz L Rodilla
- Fundación IMDEA Nanociencia, Calle Faraday 9, 28049, Madrid, Spain
- Departamento de Física de Materiales, Universidad Complutense de Madrid, Plaza de las Ciencias S/N, 28040, Madrid, Spain
| | - Ana Arché-Núñez
- Fundación IMDEA Nanociencia, Calle Faraday 9, 28049, Madrid, Spain
| | - Sandra Ruiz-Gómez
- Max Planck Institute for Chemical Physics of Solids, Dresden, Germany
| | - Ana Domínguez-Bajo
- Instituto de Ciencia de Materiales de Madrid (ICMM), CSIC, Calle Sor Juana Inés de la Cruz 3, 28049, Madrid, Spain
- Animal Molecular and Cellular Biology group (AMCB), Louvain Institute of Biomolecular Science and Technology (LIBST), Université catholique de Louvain, Place Croix du Sud 5, 1348 , Louvain la Neuve, Belgium
| | | | | | | | | | - Julio Camarero
- Fundación IMDEA Nanociencia, Calle Faraday 9, 28049, Madrid, Spain
- Department de Física de la Materia Condensada and Instituto "Nicolás Cabrera", Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Rodolfo Miranda
- Fundación IMDEA Nanociencia, Calle Faraday 9, 28049, Madrid, Spain
- Department de Física de la Materia Condensada and Instituto "Nicolás Cabrera", Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Elisa López-Dolado
- Hospital Nacional de Parapléjicos, SESCAM, Finca la Peraleda S/N, 45071, Toledo, Spain
- Design and development of Biomaterials for Neural Regeneration, HNP-SESCAM, Associated Unit With CSIC Through ICMM, Finca La Peraleda S/N, 45071, Toledo, Spain
| | - Pilar Ocón
- Departamento de Química Física Aplicada, Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - María C Serrano
- Instituto de Ciencia de Materiales de Madrid (ICMM), CSIC, Calle Sor Juana Inés de la Cruz 3, 28049, Madrid, Spain
| | - Lucas Pérez
- Fundación IMDEA Nanociencia, Calle Faraday 9, 28049, Madrid, Spain
- Departamento de Física de Materiales, Universidad Complutense de Madrid, Plaza de las Ciencias S/N, 28040, Madrid, Spain
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Majeed M, Yousif QA, Bedair MA. Study of the Corrosion of Nickel-Chromium Alloy in an Acidic Solution Protected by Nickel Nanoparticles. ACS OMEGA 2022; 7:29850-29857. [PMID: 36061690 PMCID: PMC9434768 DOI: 10.1021/acsomega.2c02679] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/09/2022] [Indexed: 05/17/2023]
Abstract
This study uses nickel nanoparticles coated on the nickel-chromium (Ni-Cr) alloy by the electrodeposition technique to protect the alloy against corrosion. An open-circuit potential and potentiodynamic and linear polarization resistance in a 1 M H2SO4 solution saturated with carbon dioxide were used to study the anticorrosion performance of nanoparticle coatings. When coated with nanomaterials, the corrosion rate of Ni-Cr alloy was lower than when it was bare, and the potential for corrosion increased from -0.433 V for uncoated Ni-Cr alloy to -0.103 V when the electrodes were exposed to saturated calomel. Electrochemical experiments show that nickel-coated Ni-Cr alloy corrosion in sulfuric acid media has high protective characteristics, with an efficiency of 83.69% at 0.165 mA/cm2 current density when pH = 1 is used. As demonstrated by the results of this research, the nickel-chromium alloy can be protected from corrosion in acidic media by a low-acidity bath coating layer. Surface morphologies have shown that coatings at different acidic scales may be able to resist an acid attack because of their excellent adherence to the nickel-chromium alloy surface. Measures for determining and studying the composition of the alloy surface's protective covering were improved using X-ray diffraction (XRD).
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Affiliation(s)
- Mohammad
N. Majeed
- College
of Education, Department of Chemistry, University
of Al-Qadisiyah, Al Diwaniyah 58001, Iraq
| | - Qahtan. A. Yousif
- College
of Engineering, Department of Materials Engineering, University of Al-Qadisiyah, Al
Diwaniyah 58001, Iraq
| | - Mahmoud A. Bedair
- College
of Science and arts, University of Bisha, P.O. Box 101, Al-Namas 61977, Saudi Arabia
- Department
of Chemistry, Faculty of Science (Men’s Campus), Al-Azhar University, Nasr City, 11884 Cairo, Egypt
- , ,
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3
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Fernández-González C, Guedeja-Marrón A, Rodilla BL, Arché-Nuñez A, Corcuera R, Lucas I, González MT, Varela M, de la Presa P, Aballe L, Pérez L, Ruiz-Gómez S. Electrodeposited Magnetic Nanowires with Radial Modulation of Composition. NANOMATERIALS 2022; 12:nano12152565. [PMID: 35893533 PMCID: PMC9370789 DOI: 10.3390/nano12152565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/20/2022] [Accepted: 07/23/2022] [Indexed: 11/29/2022]
Abstract
In the last few years, magnetic nanowires have gained attention due to their potential implementation as building blocks in spintronics applications and, in particular, in domain-wall- based devices. In these devices, the control of the magnetic properties is a must. Cylindrical magnetic nanowires can be synthesized rather easily by electrodeposition and the control of their magnetic properties can be achieved by modulating the composition of the nanowire along the axial direction. In this work, we report the possibility of introducing changes in the composition along the radial direction, increasing the degrees of freedom to harness the magnetization. In particular, we report the synthesis, using template-assisted deposition, of FeNi (or Co) magnetic nanowires, coated with a Au/Co (Au/FeNi) bilayer. The diameter of the nanowire as well as the thickness of both layers can be tuned at will. In addition to a detailed structural characterization, we report a preliminary study on the magnetic properties, establishing the role of each layer in the global collective behavior of the system.
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Affiliation(s)
- Claudia Fernández-González
- Instituto Madrileño de Estudios Avanzados—IMDEA Nanociencia, 28049 Madrid, Spain; (C.F.-G.); (B.L.R.); (A.A.-N.); (M.T.G.)
| | - Alejandra Guedeja-Marrón
- Departamento de Física de Materiales, Universidad Complutense de Madrid, 28040 Madrid, Spain; (A.G.-M.); (M.V.); (P.d.l.P.)
| | - Beatriz L. Rodilla
- Instituto Madrileño de Estudios Avanzados—IMDEA Nanociencia, 28049 Madrid, Spain; (C.F.-G.); (B.L.R.); (A.A.-N.); (M.T.G.)
- Departamento de Física de Materiales, Universidad Complutense de Madrid, 28040 Madrid, Spain; (A.G.-M.); (M.V.); (P.d.l.P.)
| | - Ana Arché-Nuñez
- Instituto Madrileño de Estudios Avanzados—IMDEA Nanociencia, 28049 Madrid, Spain; (C.F.-G.); (B.L.R.); (A.A.-N.); (M.T.G.)
| | - Rubén Corcuera
- Instituto de Nanociencia y Materiales de Aragón (INMA), Universidad de Zaragoza—-CSIC, Mariano Esquillor, Edificio I+D, 50018 Zaragoza, Spain; (R.C.); (I.L.)
- Departamento Física de la Materia Condensada, Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Irene Lucas
- Instituto de Nanociencia y Materiales de Aragón (INMA), Universidad de Zaragoza—-CSIC, Mariano Esquillor, Edificio I+D, 50018 Zaragoza, Spain; (R.C.); (I.L.)
- Departamento Física de la Materia Condensada, Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - María Teresa González
- Instituto Madrileño de Estudios Avanzados—IMDEA Nanociencia, 28049 Madrid, Spain; (C.F.-G.); (B.L.R.); (A.A.-N.); (M.T.G.)
| | - Maria Varela
- Departamento de Física de Materiales, Universidad Complutense de Madrid, 28040 Madrid, Spain; (A.G.-M.); (M.V.); (P.d.l.P.)
| | - Patricia de la Presa
- Departamento de Física de Materiales, Universidad Complutense de Madrid, 28040 Madrid, Spain; (A.G.-M.); (M.V.); (P.d.l.P.)
- Instituto de Magnetismo Aplicado, 28230 Las Rozas, Spain
| | - Lucía Aballe
- Alba Synchrotron Light Facility, Carrer de la Llum 2-26, 08290 Cerdanyola del Valles, Spain;
| | - Lucas Pérez
- Instituto Madrileño de Estudios Avanzados—IMDEA Nanociencia, 28049 Madrid, Spain; (C.F.-G.); (B.L.R.); (A.A.-N.); (M.T.G.)
- Departamento de Física de Materiales, Universidad Complutense de Madrid, 28040 Madrid, Spain; (A.G.-M.); (M.V.); (P.d.l.P.)
- Surface Science and Magnetism of Low Dimensional Systems, UCM, Unidad Asociada al IQFR-CSIC, 28040 Madrid, Spain
- Correspondence: (L.P.); (S.R.-G.)
| | - Sandra Ruiz-Gómez
- Max-Planck-Institut für Chemische Physik fester Stoffe, 01187 Dresden, Germany
- Correspondence: (L.P.); (S.R.-G.)
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Demir E. A review on nanotoxicity and nanogenotoxicity of different shapes of nanomaterials. J Appl Toxicol 2020; 41:118-147. [PMID: 33111384 DOI: 10.1002/jat.4061] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 08/15/2020] [Accepted: 08/18/2020] [Indexed: 12/16/2022]
Abstract
Nanomaterials (NMs) generally display fascinating physical and chemical properties that are not always present in bulk materials; therefore, any modification to their size, shape, or coating tends to cause significant changes in their chemical/physical and biological characteristics. The dramatic increase in efforts to use NMs renders the risk assessment of their toxicity highly crucial due to the possible health perils of this relatively uncharted territory. The different sizes and shapes of the nanoparticles are known to have an impact on organisms and an important place in clinical applications. The shape of nanoparticles, namely, whether they are rods, wires, or spheres, is a particularly critical parameter to affect cell uptake and site-specific drug delivery, representing a significant factor in determining the potency and magnitude of the effect. This review, therefore, intends to offer a picture of research into the toxicity of different shapes (nanorods, nanowires, and nanospheres) of NMs to in vitro and in vivo models, presenting an in-depth analysis of health risks associated with exposure to such nanostructures and benefits achieved by using certain model organisms in genotoxicity testing. Nanotoxicity experiments use various models and tests, such as cell cultures, cores, shells, and coating materials. This review article also attempts to raise awareness about practical applications of NMs in different shapes in biology, to evaluate their potential genotoxicity, and to suggest approaches to explain underlying mechanisms of their toxicity and genotoxicity depending on nanoparticle shape.
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Affiliation(s)
- Eşref Demir
- Vocational School of Health Services, Department of Medical Services and Techniques, Medical Laboratory Techniques Programme, Antalya Bilim University, Dosemealti, Antalya, Turkey
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Schrittwieser S, Reichinger D, Schotter J. Applications, Surface Modification and Functionalization of Nickel Nanorods. MATERIALS (BASEL, SWITZERLAND) 2017; 11:E45. [PMID: 29283415 PMCID: PMC5793543 DOI: 10.3390/ma11010045] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 12/20/2017] [Accepted: 12/22/2017] [Indexed: 02/07/2023]
Abstract
The growing number of nanoparticle applications in science and industry is leading to increasingly complex nanostructures that fulfill certain tasks in a specific environment. Nickel nanorods already possess promising properties due to their magnetic behavior and their elongated shape. The relevance of this kind of nanorod in a complex measurement setting can be further improved by suitable surface modification and functionalization procedures, so that customized nanostructures for a specific application become available. In this review, we focus on nickel nanorods that are synthesized by electrodeposition into porous templates, as this is the most common type of nickel nanorod fabrication method. Moreover, it is a facile synthesis approach that can be easily established in a laboratory environment. Firstly, we will discuss possible applications of nickel nanorods ranging from data storage to catalysis, biosensing and cancer treatment. Secondly, we will focus on nickel nanorod surface modification strategies, which represent a crucial step for the successful application of nanorods in all medical and biological settings. Here, the immobilization of antibodies or peptides onto the nanorod surface adds another functionality in order to yield highly promising nanostructures.
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Affiliation(s)
- Stefan Schrittwieser
- Molecular Diagnostics, AIT Austrian Institute of Technology, 1220 Vienna, Austria.
| | - Daniela Reichinger
- Molecular Diagnostics, AIT Austrian Institute of Technology, 1220 Vienna, Austria.
| | - Joerg Schotter
- Molecular Diagnostics, AIT Austrian Institute of Technology, 1220 Vienna, Austria.
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6
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Hopkins X, Gill WA, Kringel R, Wang G, Hass J, Acharya S, Park J, Jeon IT, An BH, Lee JS, Ryu JE, Hill R, McIlroy D, Kim YK, Choi DS. Radio frequency-mediated local thermotherapy for destruction of pancreatic tumors using Ni-Au core-shell nanowires. NANOTECHNOLOGY 2017; 28:03LT01. [PMID: 27966462 DOI: 10.1088/1361-6528/28/3/03lt01] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We present a novel method of radio frequency (RF)-mediated thermotherapy in tumors by remotely heating nickel (Ni)-gold (Au) core-shell nanowires (CSNWs). Ectopic pancreatic tumors were developed in nude mice to evaluate the thermotherapeutic effects on tumor progression. Tumor ablation was produced by RF-mediated thermotherapy via activation of the paramagnetic properties of the Ni-Au CSNWs. Histopathology demonstrated that heat generated by RF irradiation caused significant cellular death with pyknotic nuclei and nuclear fragmentation dispersed throughout the tumors. These preliminary results suggest that thermotherapy ablation induced via RF activation of nanowires provides a potential alternative therapy for cancer treatment.
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Affiliation(s)
- Xiaoping Hopkins
- Department of Chemical and Materials Engineering, University of Idaho, Moscow, ID 83844, USA
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7
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Park K, Lee JS. Flexible resistive switching memory with a Ni/CuO x /Ni structure using an electrochemical deposition process. NANOTECHNOLOGY 2016; 27:125203. [PMID: 26889689 DOI: 10.1088/0957-4484/27/12/125203] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Flexible resistive switching memory (ReRAM) devices were fabricated with a Ni/CuO x /Ni structure. Fabrication involved simple and low-cost electrochemical deposition of electrodes and resistive switching layers on a polyethylene terephthalate substrate. The devices exhibited reproducible and reliable ReRAM characteristics. Bipolar resistive switching was observed in flexible Ni/CuO x /Ni-based ReRAM devices with low operation voltages. The reliability of the devices was confirmed by data retention, endurance, and cyclic bending measurements. The processes for fabrication of flexible ReRAM devices were based on simple-solution, bottom-up growth and they can be performed at low temperatures. Therefore, the methods presented in this work could be a viable solution for fabricating flexible non-volatile memory devices in the future.
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Affiliation(s)
- Kyuhyun Park
- Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH) Pohang 790-784, Korea
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Ivanov YP, Trabada DG, Chuvilin A, Kosel J, Chubykalo-Fesenko O, Vázquez M. Crystallographically driven magnetic behaviour of arrays of monocrystalline Co nanowires. NANOTECHNOLOGY 2014; 25:475702. [PMID: 25380279 DOI: 10.1088/0957-4484/25/47/475702] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Cobalt nanowires, 40 nm in diameter and several micrometers long, have been grown by controlled electrodeposition into ordered anodic alumina templates. The hcp crystal symmetry is tuned by a suitable choice of the electrolyte pH (between 3.5 and 6.0) during growth. Systematic high resolution transmission electron microscopy imaging and analysis of the electron diffraction patterns reveals a dependence of crystal orientation from electrolyte pH. The tailored modification of the crystalline signature results in the reorientation of the magnetocrystalline anisotropy and increasing experimental coercivity and squareness with decreasing polar angle of the 'c' growth axis. Micromagnetic modeling of the demagnetization process and its angular dependence is in agreement with the experiment and allows us to establish the change in the character of the magnetization reversal: from quasi-curling to vortex domain wall propagation modes when the crystal 'c' axis tilts more than 75° in respect to the nanowire axis.
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Affiliation(s)
- Yu P Ivanov
- King Abdullah University of Science and Technology, 23955 Thuwal, Saudi Arabia. Institute of Materials Science of Madrid, CSIC. E-28049 Madrid, Spain. Far Eastern Federal University, 8 Sukhanova St., 690950 Vladivostok, Russia
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Loh PY, Liu C, Sow CH, Chin WS. Coaxial hetero-nanostructures with controllable shell thickness: a “Pore Widening” method. RSC Adv 2014. [DOI: 10.1039/c4ra00045e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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Pondman KM, Maijenburg AW, Celikkol FB, Pathan AA, Kishore U, Haken BT, ten Elshof JE. Au coated Ni nanowires with tuneable dimensions for biomedical applications. J Mater Chem B 2013; 1:6129-6136. [DOI: 10.1039/c3tb20808g] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Shi D, Chen J, Riaz S, Zhou W, Han X. Controlled nanostructuring of multiphase core-shell nanowires by a template-assisted electrodeposition approach. NANOTECHNOLOGY 2012; 23:305601. [PMID: 22751156 DOI: 10.1088/0957-4484/23/30/305601] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Multiphase core-shell nanowires have been fabricated by controlling the ion transport processes of the microfluids in the nanochannels of the template. Both forced convection and pulsed potential induced migration can be applied to tune the morphologies of the nanostructures obtained by manipulating the ion transport during electrodeposition. The morphology and content of the core-shell structure were studied by field emission scanning electron microscope (FESEM) analysis, transmission electron microscope (TEM) analysis and energy dispersive spectrometry (EDS), respectively. The magnetic properties were analyzed by vibrating sample magnetometer (VSM) analysis. A magnetically hard core and soft shell constitutes the multiphase composite nanostructure. The unique magnetic hysteresis curve indicates the decoupled magnetic reversal processes of the two components. Our work provides deeper insights into the formation mechanisms of a new core-shell nanostructure, which may have potential applications in novel spintronics devices.
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Affiliation(s)
- Dawei Shi
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, People's Republic of China
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