Dynamical structure of superionic conductors |
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| Authors: | Mitsuhiko Hokazono Akira Ueda Yasuaki Hiwatari |
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| Affiliation: | Department of Applied Mathematics and Physics, Faculty of Engineering, Kyoto University, Kyoto 606, Japan;Department of Physics, Faculty of Science, Kanazawa University, Kanazawa 920, Japan |
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| Abstract: | Ionic motion is analysed of a model system for α-AgI which has ionic potentials consisting of only a Coulombic and a soft-core repulsive terms. A tetrahedron (abbreviated as TH) in the anion bcc sublattice is investigated from a dynamical point of view. The residence time of a cation in a TH is rigorously evaluated. Dynamical correlation between anions and cations is examined by the observation of dynamical behaviors of anions forming a TH and a cation. A mechanism of cation diffusion will be suggested. |
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