Local electrical overstressing in polymer dielectrics

被引：0
|
作者：
V. A. Zakrevskii
N. T. Sudar’
机构：
[1] St. Petersburg State Polytechnic University,
来源：
Russian Physics Journal | 2008年 / 51卷
关键词：
electric field; overstresses; space charge; deep traps; shallow traps;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Using a spherical concentric capacitor as a microspike model, the electric field distribution in a polymer dielectric material with shallow and deep electron traps is investigated. It is established that in the course of field emission from microspikes on the electrode and space charge accumulation on the traps, the values of coefficient of electric overstresses depend on temperature, injection barrier height, and trap concentration and depth in the polymer material. The behavior of this coefficient is characterized as a function of the mean field strength.
引用
收藏
页码：1247 / 1254
页数：7
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