Electrical conductivity of glasses in the Ag-As-Se-Te system

被引：0
|
作者：
Yu. V. Bobylev
I. V. Murin
Yu. S. Tver’yanovich
机构：
[1] St. Petersburg State University,Faculty of Chemistry
来源：
Glass Physics and Chemistry | 2005年 / 31卷
关键词：
Spectroscopy; Physical Chemistry; Electrical Conductivity; Impedance Spectroscopy; Transport Number;
D O I：
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学科分类号：
摘要：
The electrical conductivity of glasses in the Ag-As-Te-Se system is investigated by impedance spectroscopy for compositions lying along two joins, namely, Ag0.2-As0.4-(Tex-Se1 − x)0.4 and (Ag2Se)0.2-[(As2Te3)x-(As2Se3)1 − x]0.8. The transport numbers are measured using the Wagner method. It is found that, in the glasses containing silver in large amounts, the electron-hole conduction is predominantly provided by electrons rather than by holes, as is usually observed in chalcogenide glasses.
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页码：165 / 167
页数：2
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