聚苯乙烯中电荷俘获的表征

IEEE 1997 Annual Report Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 1997-10-19 DOI:10.1109/CEIDP.1997.634570

J. Bigarré, S. Fayeulle, O. Paulhe, D. Tréheux

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引用次数: 11

摘要

目前，许多工作都是对电荷积累导致击穿后发生的现象进行研究的。但它们很少描述电子注入过程中绝缘体的行为。在我们的工作中，通过同时记录二次电子发射电流和吸收电流，用扫描电镜检测了聚苯乙烯中电子注入过程中和电子注入后的突然电子抛射。观测到的喷射可以用临界场的范围来解释。

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Characterization of the trapping of charges in polystyrene

Nowadays, many works are done to study phenomena occuring after the charges build up leading to breakdown. But few of them describe the behavior of insulator during electrons injection. In our work, abrupt electron ejections during and after the electron injection in polystyrene have been detected using a SEM by recording simultaneously the secondary electron emission current and the absorbed current. The observed ejection are explained by the reach of a critical field.

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IEEE 1997 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

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