SP-SEM Observation of Magnetic Vortex States in Permalloy Disks
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概要
- 論文の詳細を見る
The magnetic vortex in a ferromagnetic disk has a unique feature of spin configuration to eliminate magnetostatic energy with a vertical bistable magnetization characteristics. We have observed magnetic vortex states in permalloy thin film disks with diameters ranging from 2 μm to 25μm , using spin-polarized scanning electron microscopy (SP-SEM). Magnetic vortex states exist throughout range of diameters. At diameters larger than 15μm , multidomain states were also observed, however, a magnetic vortex state should be expected as one of the low-energy states even in a ferromagnetic disk as large as 25 μm.
- 社団法人日本磁気学会の論文
- 2003-03-01
著者
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Nakamura M
Graduate School Of Science Osaka University
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Sueoka Kazuhisa
Nanoelectronics Laboratory Graduate School Of Engineering Hokkaido University
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Yamada Y
Graduate School of Engineering, Hokkaido University
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Sueoka K
Graduate School of Engineering, Hokkaido University
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Mukasa K
Graduate School of Engineering, Hokkaido University
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Nakamura M
Graduate School Of Engineering Chiba University
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Yamada Y
Graduate School Of Agriculture Kyoto University
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Mukasa K
Graduate School Of Engineering Hokkaido University
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Sueoka K
Graduate School Of Engineering Hokkaido University
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