Fast ionic transport in AgxTiS2

被引：0
|
作者：
A. N. Titov
机构：
[1] Russian Academy of Sciences,Institute of Metal Physics, Ural Division
[2] Ural State University,undefined
来源：
Physics of the Solid State | 2009年 / 51卷
关键词：
66.30.Dn; 66.30.Hd;
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学科分类号：
摘要：
The enthalpy of the subsystem of silver ions in the intercalation compounds AgxTiS2 has been calculated from the electrochemically measured thermodynamic functions of the silver subsystem. The ionic conductivity and the coupled chemical diffusion coefficients for silver in the intercalation compound have been measured. The activation energy for diffusion of silver ions is determined and the obtained value is interpreted from analyzing the concentration dependence of the enthalpy of the ionic subsystem. The conclusion has been drawn that the high diffusion mobility is associated with the competition between the covalent and elastic interactions, which decreases the activation energy for diffusion of ions.
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页码：714 / 720
页数：6
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