書誌事項
- タイトル別名
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- Effect of Thermal Fluctuations of Magnetization on Perpendicular Exchange Anisotropy in Mn-Ir / [Co / Pt]<i><sub>n</sub></i> Multilayers
- Mn-Ir/「Co/Pt」n積層膜における磁化の熱揺らぎが垂直交換磁気異方性に与える影響
- Mn-Ir/「 Co/Pt 」 n セキソウマク ニ オケル ジカ ノ ネツ ユラギ ガ スイチョク コウカン ジキ イホウセイ ニ アタエル エイキョウ
- Effect of Thermal Fluctuations of Magnetization on Perpendicular Exchange Anisotropy in Mn-Ir / [Co / Pt]n Multilayers
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説明
The dependence of perpendicular exchange anisotropy on the thickness of the ferromagnetic (FM) layer in Mn-Ir / [Co/Pt]n multilayers was investigated. The dependencies on temperature of saturation magnetization, Ms, in [Co / Pt]n multilayers having Co and Pt layers of various thicknesses were examined. The rate of decrease of Ms against temperature was large for thin-Co (< 1 nm) or thick-Pt layers ( > 1 nm), which indicates that thermal fluctuations in magnetization were significant. The unidirectional anisotropy constant, JK, was reduced with the decreasing thickness of the interfacial Co layer in contact with the Mn-Ir layer. This suggested that perpendicular exchange bias was degraded by thermal fluctuations in FM magnetization during thermal annealing. The dependencies of JK on the thicknesses of the Pt layer and inner Co layer could be also described by the thermal fluctuations in the magnetization of the FM layer.
収録刊行物
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- Journal of the Magnetics Society of Japan
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Journal of the Magnetics Society of Japan 36 (5), 313-317, 2012
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
- 1390001205285972608
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- NII論文ID
- 130002112219
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- NII書誌ID
- AA12297999
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- COI
- 1:CAS:528:DC%2BC38XhsVKhsbzK
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- ISSN
- 18822932
- 18822924
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- NDL書誌ID
- 023966952
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可
