ThMn12型窒素侵入希土類磁石化合物と永久磁石化研究の最近の進展

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2016/08/01

タイトル(英語): ThMn12-type Interstitially Nitrogenated Hard Magnetic Compounds and Recent Progresses Toward their Utilization as Permanent Magnets

著者名: 広沢　哲（物質・材料研究機構 元素戦略磁性材料研究拠点）

著者名(英語): Satoshi Hirosawa (National Institute for Materials Science)

キーワード: NdFe12N，Nd2Fe14B，Dyフリー，省希土類，ThMn12型　　NdFe12N，Nd2Fe14B，Dy-free，rare earth-lean，ThMn12-type

要約(英語): The ThMn12-type hard magnetic compounds composed of rare earth elements (R) and 3d ferromagnetic transition metals such as Fe and their interstitially- modified compounds have been known for many years as possible candidates for development of permanent magnet materials. Being the family of compounds of the lowest rare earth contents among known R-Fe compounds, this class of materials attracts renewed interests especially after the discovery of NdFe12N that showed intrinsic magnetic parameters that surpassed those of Nd2Fe14B (Y. Hirayama, Y.K. Takahashi, S. Hirosawa and K. Hono, Scripta Materialia 95 (2015) 70). In this paper, recent topics related to this class of materials are overviewed and future perspectives are discussed.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.136 No.8 （2016） 特集：高性能永久磁石の最先端研究とその応用動向

本誌掲載ページ: 466-471 p

原稿種別: 解説論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/136/8/136_466/_article/-char/ja/