Correlation of the Magnetically Induced Directional Order with the AB_3-Type Superlattice
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概要
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The directional order induced by magnetic anneal in the ferromagnetic face-centered cubic binary solid solution and its correlation with the ordinary superlattice of the AB_3 type are calculated by the quasi-chemical method using quadruplets approximation. The anisotropic long-range order parameters and sixty four parameters representing the numbers of different quadruplets are introduced to describe both the directional and ordinary order, and their equilibrium values in the magnetically annealed state are calculated. It is shown how the formation of short-range and long-range orders during magnetic anneal depresses the occurrence of the directional order and thus of the additional uniaxial ferromagnetic anisotropy. The change caused by ordering in the directional property of the induced ferromagnetic anisotropy is indicated. The results obtained can explain the observed irregular behavior of the induced ferromagnetic anisotropy in the magnetically annealed Ni_3Fe single crystal.
- 東北大学の論文
著者
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Iwata Takao
The Research Institute For Iron Steel And Other Metals
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Iwata T.
The Research Institute for Iron, Steel and Other Metals
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