Magnetic Properties of Sm–Co–Cu and Sm–Co–Cu/Co Exchange-Spring Films with High Coercivity
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- Yamazaki Y.
- Department of Materials Science, Graduate School of Engineering, Tohoku University
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- Takano K.
- Department of Materials Science, Graduate School of Engineering, Tohoku University
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- Takamura H.
- Department of Materials Science, Graduate School of Engineering, Tohoku University
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- Sugimoto S.
- Department of Materials Science, Graduate School of Engineering, Tohoku University
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- Homma M.
- Department of Materials Science, Graduate School of Engineering, Tohoku University
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- Okada M.
- Department of Materials Science, Graduate School of Engineering, Tohoku University
書誌事項
- タイトル別名
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- Magnetic Properties of Sm–Co–Cu and Sm–Co–Cu/Co Exchange-Spring Films with High Coercivity
- Magnetic Properties of Sm Co Cu and Sm
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The magnetic properties of Sm–Co–Cu films and Sm–Co–Cu/Co multilayered films prepared by rf-sputtering were investigated. The addition of Cu to Sm–Co film had the effect of decrement of crystallization temperature. The Sm28Co59Cu13 film annealed for 1 h at 623 K showed a reversible demagnetization curve with 82% springback ratio of [Mr′−M(H)]⁄[Mr−M(H)] and a high coercivity of 2480 kA·m−1. This film was found to be an exchange-spring magnet film composed of the hard magnetic phase such as SmCo5 and Sm2Co7 phases and a soft magnetic phase of Co. Sm28Co59Cu13/Co(x nm) multilayered film whose Co thickness was from 0 to 15 nm was also found to be an exchange-spring magnet film.
収録刊行物
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- Materials Transactions, JIM
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Materials Transactions, JIM 39 (2), 302-307, 1998
社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001204246739840
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- NII論文ID
- 130003557005
- 10003801860
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- NII書誌ID
- AA10699969
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- COI
- 1:CAS:528:DyaK1cXisVGrtb4%3D
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- ISSN
- 2432471X
- 09161821
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- NDL書誌ID
- 4427660
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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