Nd2Fe14B/FeCo Anisotropic Nanocomposite Films with a Large Maximum Energy Product

Nd2Fe14B/FeCo Anisotropic Nanocomposite Films with a Large Maximum Energy Product

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 reman...

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Veröffentlicht in:Advanced materials (Weinheim) 2012-12, Vol.24 (48), p.6530-6535
Hauptverfasser: Cui, Wei-Bin, Takahashi, Yukiko K., Hono, Kazuhiro
Format: Artikel
Sprache:eng
Schlagworte:
anisotropic nanocomposite magnets
multilayer films
permanent magnets
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Zusammenfassung: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.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201202328