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Wei-Bin Cui, Yukiko K. Takahashi and Kazuhiro Hono Nd2Fe14B/FeCo Anisotropic Nanocomposite Films with a Large Maximum Energy Product Advanced Materials 24

Version of Record online: 26 OCT 2012 | DOI: 10.1002/adma.201202328

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Anisotropic Nd2Fe14B/Fe67Co33 nanocomposite thin films are successfully fabricated. The multilayer composite films comprise Nd-rich shell-enveloped Nd2Fe14B grains and a Fe67Co33 phase. The strong (001) texture of the Nd2Fe14B grains and the presence of exchange-coupled Fe67Co33 lead to a high remanence and the presence of the Nd-rich shell gives rise to a high coercivity. The unique nanocomposite microstructure provides hints for developing rare-earth-lean high-performance magnets.

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