From bond valence maps to energy landscapes for mobile ions in ion-conducting solids

被引：158

作者：

Adams, Stefan ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117576, Singapore

[2] Univ Gottingen, Abt Kristallog, GZG, D-3400 Gottingen, Germany

来源：

SOLID STATE IONICS | 2006年 / 177卷 / 19-25期

关键词：

bond valence analysis; ion transport pathways; anion conductors; trivalent cation conductors; lithium lanthanum titanate;

D O I：

10.1016/j.ssi.2006.03.054

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Applications of the bond valence method for the analysis of ion transport pathways in crystalline cation ion conductors with various mobile cations are reviewed and an extension of the approach to anion conductors is discussed. In both cases the discussion highlights structures, where special care is required in the interpretation of the pathway model. The extension of the bond valence approach enhances the application range of the method for the identification of the ion transport mechanisms to materials, where both cations and anions have to be considered as potentially mobile species, as demonstrated for the presumed trivalent cation conductor Sc-2(WO4)(3). (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：1625 / 1630

页数：6

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