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Transferring the excellent intrinsic magnetic properties of SmFe12-based compounds to their extrinsic properties remains the main challenge in the development of high-performance SmFe12-based permanent magnets. Twin formation is one of the reasons for the inability to achieve high coercivity and remanence. Here we have shown that the addition of Co in Sm(Fe1-xCox)10–11M1–2 alloys, where M=Ti and V, leads to an increase in twin density. This study shows that the alloy composition influences not only the intrinsic magnetic properties but also the twin formation energy and its grain size dependence, crucial for the design of SmFe12-based permanent magnets.

権利情報:

• In Copyright
  

キーワード: Permanent magnet, SmFe12, Twin formation, intrinsic magnetic properties

刊行年月日: 2024-12-07

出版者: Elsevier BV

掲載誌:

• Scripta Materialia (ISSN: 13596462) vol. 258 116491

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.5248

公開URL: https://doi.org/10.1016/j.scriptamat.2024.116491

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更新時刻: 2025-01-07 16:31:00 +0900

MDRでの公開時刻: 2025-01-20 12:30:22 +0900