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説明:

Fe-rich SmFe12-based compounds are considered as potential next generation permanent magnets due to their excellent intrinsic magnetic properties. However, their reported coercivities remain low, only ∼12 % of the magnetic anisotropy field of the SmFe12-based compound. In this work, we successfully increased the coercivity of B-doped Sm(Fe0.8Co0.2)12-based thin films from 1.1 T to 1.8 T by diffusion of Al into the grain boundaries. Based on detailed microstructural observations, the mechanism of coercivity enhancement is discussed.

権利情報:

• In Copyright
  

キーワード: Sm(Fe0.8Co0.2)12, Magnetic thin films , Coercivity , Microstructure

刊行年月日: 2023-12-27

出版者: Elsevier BV

掲載誌:

• Scripta Materialia (ISSN: 13596462) vol. 242 115955

研究助成金:

原稿種別: 査読前原稿 (Author's original)

MDR DOI: https://doi.org/10.48505/nims.4677

公開URL: https://doi.org/10.1016/j.scriptamat.2023.115955

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更新時刻: 2024-08-23 12:30:20 +0900

MDRでの公開時刻: 2024-08-23 12:30:20 +0900