Calculation of Local Environment Effects in Ferromagnetic Transition-Metal Alloys with Atomic Short-Range Order : Method and Application to Fe-V
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概要
- 論文の詳細を見る
An effective medium theory of local environment effects on the electronic structure of substitutional disordered alloys is developed and a useful practical procedure to be applied to real ferromagnetic alloys is given with a specific example of the bcc Fe-V system. Atomic short-range orders are explicitly taken into account. Two methods of self-consistent determination of the coherent potential are examined: The boundary site method gives satisfactory results over a wide range of parameters, whereas the central site method sometimes yields unphysical solutions as was pointed out earlier. Assuming equivalent five-fold atomic orbitals with a model density of states and with the Hartree-Fock approximation, we have shown many important features of the environment effects in Fe-V alloys in accordance with the experiments.
- 理論物理学刊行会の論文
- 1978-04-25
著者
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Hamada Noriaki
Department Of Condensed Matter Physics The Institute Of Scientific And Industrial Research Osaka Uni
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Miwa Hirosi
Department Of Physics Faculty Of Science Osaka University
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Mano Hiroshi
Department Of Agricultural Chemistry Faculty Of Agriculture Tokyo University Of Agriculture
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Hamada Noriaki
Department Of Physics Osaka University
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Miwa Hirosi
Department of Agricultural Chemistry, Faculty of Agriculture, Tokyo University of Agriculture
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