着磁可能Sm2Fe17N3磁石多磁区粒子における着磁および核生成挙動の解析
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- 小林 久理真
- 静岡理工科大学理工学部物質科学科(フランス国立科学研究院ルイ·ネール磁性研究所)
書誌事項
- タイトル別名
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- Magnetization and Nucleation Behavior of Saturable Multi-Domain Particles in Sm2Fe17N3 Magnetic Powders
- チャクジ カノウ Sm2Fe17N3 ジシャク タ ジク リュウシ ニ オケル
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Sm2Fe17N3 powders used in permanent magnets are composed of three types of particle: (1) single-domain particles (SDPs), (2) multi-domain particles (MDPs) in which the domain walls move under a relation of Happl. = NM, where N is a demagnetizing factor, M is the magnetization in a particle and Happl. is an applied magnetic field, and (3) particles that behave as MDPs in a demagnetized state, but can be magnetized to become SDPs under a certain magnetic field and behave as SDPs unless renucleation occurs. The authors studied the magnetization and nucleation behavior of the last type of particles, which they call saturable multi-domain particles (SMDPs). In this report, the relation between magnetization and nucleation fields in SMDPs is measured for isolated and isotropically distributed Sm2Fe17N3 particles.
収録刊行物
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- 日本応用磁気学会誌
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日本応用磁気学会誌 22 (4_2), 357-360, 1998
公益社団法人 日本磁気学会
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詳細情報 詳細情報について
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- CRID
- 1390001205092847744
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- NII論文ID
- 110002811432
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- NII書誌ID
- AN0031390X
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- ISSN
- 18804004
- 02850192
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- NDL書誌ID
- 4458042
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- JaLC
- NDL
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- NDL-Digital
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