Space-charge-limited conduction in Se90Sb4Ag6 glassy alloy: observation of Meyer–Neldel rule

被引：0
|
作者：
ANJANI KUMAR
A KUMAR
机构：
[1] Harcourt Butler Technological Institute,Department of Physics
来源：
Bulletin of Materials Science | 2015年 / 38卷
关键词：
Chalcogenide glasses; Meyer–Neldel rule; SCLC; pre-exponential factor.;
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摘要：
The present paper reports the measurements of space-charge-limited conduction (SCLC) in glassy Se90Sb4Ag6 alloy. For this purpose, I–V characteristics have been taken at certain fixed temperatures. The results indicate that super-ohmic behaviour is observed at high electric fields. The results fit well with the theory of SCLC for the uniform distribution of traps. From the temperature dependence of conductivity, activation energy is obtained at different electric fields, which is found to be field dependent. Pre-exponential factor is found to depend on the activation energy and obeys Meyer–Neldel rule.
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页码：41 / 44
页数：3
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