DYNAMIC PROPERTIES OF FAST-ION-CONDUCTING BORATE GLASSES

被引:22
|
作者
BALKANSKI, M [1 ]
WALLIS, RF [1 ]
DEPPE, J [1 ]
MASSOT, M [1 ]
机构
[1] UNIV PARIS 06,PHYS SOLIDES LAB,F-75252 PARIS 05,FRANCE
关键词
D O I
10.1016/0921-5107(92)90300-X
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The effect of adding modifiers and dopants on the structural and conducting properties of fast ion conducting borate glasses is studied, experimentally with the aid of Raman and infrared spectroscopy, and theoretically using network dynamics and lattice dynamics calculations. In particular, the effects of Li2O as a modifier, and LiX (X = F, Cl, Br, I) and Li2SO4 as a dopant are discussed. The modifier is found to change the structure of the glass matrix through which the lithium ions, supplied by the dopant, must diffuse. These structural modifications are analyzed and discussed in reference to their effect on the resulting ionic conductivity.
引用
收藏
页码:281 / 298
页数:18
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