聚偏氟乙烯中介电击穿的异常金属-聚合物界面依赖性

Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93) Pub Date : 1993-10-17 DOI:10.1109/CEIDP.1993.378942

J.P. Zheng, P. Cygan, T. Jow

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引用次数: 2

摘要

研究了聚偏氟乙烯(PVDF)薄膜的直流击穿。研究发现，金属电极与聚合物薄膜之间的界面是决定击穿电压的重要因素。当在PVDF薄膜和金属电极之间插入一层绝缘聚合物来阻挡正极时，击穿电压急剧下降。击穿行为也被研究为用于阻挡电极的聚合物厚度的函数。所得结果与PVDF的压电性依赖于金属-PVDF界面的观察结果一致，这种依赖关系被认为与PVDF的压电性直接相关

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Anomalous metal-polymer interface dependence of dielectric breakdown in polyvinylidene fluoride

DC breakdown in polyvinylidene fluoride (PVDF) films was studied. It was found that the interface between the metal electrode and the polymer film is very important in determining the breakdown voltage. When the positive electrode was blocked by inserting a thin layer of insulating polymer between the PVDF film and the metal electrode, the breakdown voltage decreased drastically. The breakdown behavior was also studied as a function of the thickness of the polymers used to block the electrode. The results obtained agree with the observation that the piezoelectricity of PVDF is dependent on the metal-PVDF interface a dependence which is believed to be directly related to the piezoelectricity of PVDF.<>

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Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93)

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