用FLIMM法测定薄聚合物绝缘体中的空间电荷和极化分布

2000 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.00CH37132) Pub Date : 2000-10-15 DOI:10.1109/CEIDP.2000.885242

D. Marty-Dessus, L. Berquez, M. Mousseigne, C. Biellmann, J. Franceschi

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引用次数: 7

摘要

在这项工作中，聚焦激光强度调制方法(FLIMM)被用作薄(高达100 /spl mu/m)聚合物层的空间电荷和极化谱测定技术。这项众所周知的技术在这里被应用于电极带电聚乙烯(PE)和电晕极化聚偏氟乙烯(PVDF)样品的研究。首先描述了实验装置，并提醒了LIMM基本原理的理论方面。然后讨论了LIMM热释电电流反褶积过程中遇到的困难，并给出了空间电荷和极化曲线。

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Space charge and polarization profiles determination in thin polymer insulators by FLIMM

In this work, the Focused Laser-Intensity Modulation Method (FLIMM) is used as a technique for space charge and polarization profiles determination in thin (up to 100 /spl mu/m) polymer layers. This well-known technique is here applied to the study of an electrode-charged polyethylene (PE) and a corona-poled Poly(vinylidene Fluoride) (PVDF) sample. The experimental set-up is first described, and theoretical aspects of LIMM fundamentals are reminded. Then, difficulties encountered during LIMM pyroelectric current deconvolution are discussed, and space charge and polarization profiles are shown.

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2000 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.00CH37132)

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