Magnetism and Nano-cluster in Inhomogeneous Phase of Ni-Mn Alloy
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概要
- 論文の詳細を見る
Ni_3Mn and Ni_<0.77>Mn_<0.23> alloys which are ordered at 420℃ have inhomogeneous phase, where long-range ordered magnetic domains distribute in a disordered non-magnetic matrix. Magnetism of these alloys with long-range ordered parameter S from 0.13 to 0.44 shows a ferromagnetic and a glass-like phases below and above the Curie temperature, respectively. The ferromagnetic cluster size obtained by magnetic analysis of the glass-like phase for those alloys is 1^3〜3^3 nm^3 and increases width S. Minimum cluster size which forms a single domain is about 1^3 nm^3. Magnetism of alloy in which the volume fraction of ordered region is greater than 0.32 (cluster size > 3^3 nm^3), is wholly ferromagnetic.
- 社団法人日本磁気学会の論文
- 1999-01-20
著者
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Miyanaga T.
Faculty Of Science And Technology Hirosaki University
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Homma M.
Faculty Of Engineering Tohoku University
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Okazaki T.
Faculty of Science and Technology, Hirosaki University
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Kondo Y.
Faculty of Science and Technology, Hirosaki University
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Aono Y.
Faculty of Science and Technology, Hirosaki University
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Aono Y.
Faculty Of Science And Technology Hirosaki University
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Okazaki T.
Faculty Of Science And Technology Hirosaki University
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