IONIC AND ATOMIC DEGREES OF FREEDOM IN SILVER CHALCOGENIDE GLASSES STUDIED BY MECHANICAL AND ELECTRICAL SPECTROSCOPIES

被引：10

作者：

ETIENNE, S ^{[1
]}

PEREZ, J ^{[1
]}

PRADEL, A ^{[1
]}

RIBES, M ^{[1
]}

机构：

[1] UNIV SCI & TECHNOL LANGUEDOC,PHYSICOCHIM MAT LAB,F-34095 MONTPELLIER 05,FRANCE

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1991年 / 131卷

关键词：

D O I：

10.1016/0022-3093(91)90726-M

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The dynamic response of glass 0.2Ag2Se.0.8GeSe3 has been studied by both mechnical and electrical spectroscopies. The Arrhenius plots of sigma-ac allowed the determination of a low activation energy, independent of frequency, while a mechanical relaxation peak corresponding to a process with an activation energy close to that of sigma-dc is observed at low temperatures (congruent-to 100 K). A model involving a series-correlated process is proposed to account for these results.

引用

页码：1072 / 1075

页数：4

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