CONTRIBUTION TO CURRENT TRANSIENT ANALYSIS INCLUDING SPACE-CHARGE BUILDUP AND DIPOLAR RELAXATION

被引:5
作者
ONGARO, R
机构
来源
IEE PROCEEDINGS-A-SCIENCE MEASUREMENT AND TECHNOLOGY | 1990年 / 137卷 / 02期
关键词
D O I
10.1049/ip-a-2.1990.0014
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The paper is mainly devoted to an analysis of problems set by the investigation of solutions of transport equations, dealing with transient nonlinear conductivity resulting from space-charge build-up. Prior to deriving a general form of solutions obtainable when diffusion is neglected, a brief review is presented of one-carrier type results available from the literature. Emphasis is laid on the improper character of approximate methods using the separation of space and time variables. The problem of interactions between space-charge build-up and dielectric relaxation is tackled through introducing the Boltzmann-Hopkinson principle of superposition. It is then shown that the resulting electric field is readily obtained, as soon as a solution of the transport equations is known.
引用
收藏
页码:97 / 110
页数:14
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