Thickness Dependences of Nucleation and Annihilation Fields of Magnetic Vortices in Submicron Supermalloy Dots
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概要
- 論文の詳細を見る
Vortex nucleation and annihilation fields have been studied from the $M$–$H$ loop of submicron-size ferromagnetic (supermalloy) circular-dot arrays. Both the nucleation and annihilation fields increase with increasing thickness for all measured diameters. For comparison, micromagnetic simulation was also carried out for a single circular dot and the same behavior was observed. Micromagnetic simulation suggested that the increase in magnetostatic energy with increasing thickness plays an essential role in the increase in the nucleation and annihilation fields.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 2003-08-15
著者
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WU GuangRi
Venture Business Laboratory, Hiroshima University
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WATANABE Kouji
Graduate School of Advanced Sciences of Matter, Hiroshima University
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Shingubara Shoso
Graduate School Of Advanced Sciences Of Matter Hiroshima University
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Sakaue Hiroyuki
Graduate School Of Advanced Science Of Matter Hiroshima University
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Takahagi Takayuki
Graduate School Of Advanced Science Of Matter Hiroshima University
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Wu GuangRi
Venture Business Laboratory, Hiroshima University, 2-313 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
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Sakaue Hiroyuki
Graduate School of Advanced Sciences of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8530, Japan
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Watanabe Kouji
Graduate School of Advanced Sciences of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8530, Japan
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Takahagi Takayuki
Graduate School of Advanced Sciences of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8530, Japan
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Takahagi Takayuki
Graduate School of Advance Science of Matter, Hiroshima University, 1-3 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
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Shingubara Shoso
Graduate School of Advanced Sciences of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8530, Japan
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Shingubara Shoso
Graduate School of Advanced Science of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8530, Japan
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Shingubara Shoso
Graduate School of Advanced Science of Matter, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima 739-8526, Japan
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