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Ionic conduction in dilute pseudo-binary systems CuBr–Cu2Se |
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| Authors: | Y Zheng M Kusakabe H Okazaki |
| Institution: | a Graduate School of Science and Technology, Niigata University, Niigata 950-2181, Japan b Niigata Institute of Technology, Kashiwazaki 945-1103, Japan c Department of Physics, Faculty of Science, Niigata University, Niigata 950-2181, Japan |
| Abstract: | Ionic conductivity, σi, of dilute pseudobinary alloys (CuBr)1?x(Cu2Se)x (x≤0.1) in their γ-phase has been measured by an ac method. The increase of the ionic conductivity propertional to x has been observed, which is attributed to interstitial ions brought by Cu2Se dissolved in CuBr. It is found that the temperature dependence of mobility of interstitial ions, μ, evaluated by the relation Δσi/x=kμ (k is a constant) is bent at the temperature corresponding to the extrinsic–intrinsic transition of the based material CuBr. |
| Keywords: | Cation conductor CuBr–Cu2Se alloys |
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