Ionic conductivity and chemical diffusion in superionic LixCu2-xS (0 ≤ x ≤ 0.25)

被引：37

作者：

Balapanov, MK ^{[1
]}

Gafurov, IG ^{[1
]}

Mukhamed'yanov, UK ^{[1
]}

Yakshibaev, RA ^{[1
]}

Ishembetov, RK ^{[1
]}

机构：

[1] Bashkir State Univ, Dept Phys, Ufa 450074, Bashkortostan, Russia

来源：

PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 2004年 / 241卷 / 01期

关键词：

D O I：

10.1002/pssb.200301911

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The ionic conductivity and the conjugate chemical diffusion of cations and electron holes in LixCu2-xS (0 less than or equal to x less than or equal to 0.25) compositions are studied in the temperature range 623-467 K. In accordance with prediction of the known "mixed mobile ions effect" the partial substitution of copper by lithium in copper sulfide leads to decreasing of the ionic conductivity and it is linked to an increase of activation energy of the ionic conductivity. In comparison with pure copper sulfide the chemical diffusion coefficients in the lithium-contained compounds are smaller too. The observed values of the activation energy of the chemical diffusion are close to those of the activation energy of the ionic conductivity. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：114 / 119

页数：6

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