'Universal' curve of ionic conductivities in binary alkali silicate glasses

被引：6

作者：

Nascimento, MLF ^{[1
]}

Watanabe, S ^{[1
]}

机构：

[1] Univ Sao Paulo, Inst Phys, BR-05508900 Sao Paulo, Brazil

来源：

JOURNAL OF MATERIALS SCIENCE | 2005年 / 40卷 / 18期

关键词：

D O I：

10.1007/s10853-005-1358-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The 'universal' curve of ionic conductivities in binary alkali silicate glasses is discussed. The σ-values for binary alkali-silicate glasses lie along a single 'universal' curve. The glass network expansion is the main parameter in determining the increase of the ionic conductivity in ionic conducting glasses. The expansion of the glass framework and the introduction of the alkali ions voids in the structure forming narrow pathways leads to two effects that lower the activation energy and promote the ionic conductivity.

引用

页码：5079 / 5081

页数：3

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