Electronic structure and metal-nonmetal transition in liquid Cs−Sb and Cs−I systems |
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| Authors: | A Nishikawa K Niizeki |
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| Institution: | (1) Department of Physics, Tohoku University, Sendai 980, Japan;(2) Present address: Chiba-Keizai Junior College, Todoroki-cho, Chiba 260, Japan |
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| Abstract: | The electronic structures of liquid Cs–Sb and liquid Cs–I systems have been calculated using the self-consistent semirelativistic APW method within the superlattive model. We have investigated the nature of chemical bonding in connection with the composition dependent metal-nonmetal transition in these systems. It is found that Cs–Sb system is principally ionic as well as Cs–I system, but appreciable admixture of the metallic bonding is observed; this explains the different behavior between the two systems in their composition-induced metal-nonmetal transitions. |
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