期刊
AIP ADVANCES
卷 8, 期 5, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5006555
关键词
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资金
- National Natural Science Foundation of China [51401001, 51371011, 51331003]
- International S&T Cooperation Program of China [2015DFG52020]
- Samsung Advanced Institute of Technology
Cobalt nanowires were synthesized by reduction of carboxylate salts of Co in 1, 2-butanediol using a solvothermal chemical process. These nanowires crystallize with the hcp structure and the growth axis is parallel to the crystallographic c-axis. The morphology of the nanowires that prepared with mechanical stirring during earlier stage of the reaction process exhibits a smaller averaged aspect ratio but narrow size distribution. The assembly of the nanowires that prepared with mechanical stirring shows almost same coercivity and remanent magnetization but 59% increase of magnetic energy product. This remarkable improvement of energy product has been further understood by micromagnetic simulations. The magnetic performance at variant temperatures of Co nanowires has also been presented. These ferromagnetic nanowires could be new ideal building blocks for permanent magnets with high performance and high thermal stability. (C) 2018 Author(s).
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