Textured Co nanowire arrays with controlled magnetization direction |
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| Institution: | 1. Beijing National Laboratory for Condensed Matter Physics, State Key Laboratory for Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;2. School of Material Sciences and Engineering, Hebei University of Technology, Tianjin 300130, People''s Republic of China;3. Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA;1. School of Material Sciences and Engineering, Hebei University of Technology, Tianjin 300130, PR China;2. Institute for Superconducting and Electronic Materials (ISEM), University of Wollongong, Wollongong 2500, Australia;3. Condensed Matter and Sustainable Development Laboratory, Physics Department, University of Sidi-Bel-Abbès, 22000 Sidi-Bel-Abbès, Algeria;4. School of Science, Hubei University of Automotive Technology, Shiyan Hubei 442002, PR China;1. Quality and Reliability Team, System LSI Business, Samsung Electronics Co., Ltd., Yongin 446-811, South Korea;2. WCU Program on Multiscale Mechanical Design, School of Mechanical and Aerospace Engineering, Seoul National University, Seoul 151-742, South Korea;3. George W. Woodruff School of Mechanical Engineering, School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405, USA;1. Institute of Electro-Optical Science and Technology, National Taiwan Normal University, Taipei 11677, Taiwan;2. Material Sciences and Engineering, Institut National des Sciences Appliquées de Rennes, Rennes 35708, France;3. Department of Material Science and Engineering, National Taiwan University, Taipei 10617, Taiwan;1. Research Institute for Electronic Science, Hokkaido University, Sapporo, Hokkaido 001-0020, Japan;2. Faculty of Engineering, Ibaraki University, Hitachi, Ibaraki 316-8511, Japan |
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| Abstract: | Textured HCP Co nanowires with preferentially oriented (1 0 0) along the growth direction were fabricated by electrodeposition at high potential. Further increase of deposition potential results in the formation of twist wires with circumferential strain. These conclusions are unambiguously reached by combining TEM, XRD rocking curves and pole figures. The magnetic properties are determined by the combination of magnetocrystalline, shape, and stress anisotropies and magnetostatic interaction. Consequently, the magnetic easy axis can be tuned with structure and temperature, thus paving the road for magnetic nanowire array use in applications where self-biasing of magnetization is necessary. |
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