Role of Second-Neighbor Interaction in Diluted Ferromagnetic Systems
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概要
- 論文の詳細を見る
The Ising spin systems with first- and second-neighbor interactions are studied by applying the cluster theory proposed by one of the authors (H. Mano). The role of the second-neighbor interaction in pure and diluted ferromagnets in discussed by calculating over-all magnetic properties such as specific heat and spontaneous magnetization as well as the Curie temperature and the critical concentration. In diluted systems interesting phenomena are found when the second-neighbor interaction in small and ferromagnetic. The curve of the Curie temperature against the concentration of magnetic atoms has a trail near the critical concentration. The specific heat has a new maximum and the spontaneous magnetization shows considerable decrease in the low temperature region well below the transition temperature.
- 理論物理学刊行会の論文
- 1977-07-25
著者
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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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MANO Hiroshi
Department of Physics, Gakushuin University
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MANO Hiroshi
Department of Physics, Osaka University
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MIWA Hiroshi
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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