用斜坡电压技术分析稳定和亚稳态铁电极化

Proceedings. 11th International Symposium on Electrets Pub Date : 2002-12-10 DOI:10.1109/ISE.2002.1042982

C. Wisniewski, G. F. Leal Ferreira, R. Faria, J. Giacometti

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引用次数: 1

摘要

采用两个连续的等号斜坡电压，通过短路周期介导，研究了聚偏氟乙烯(PVDF)的稳定和亚稳态铁电极化。速率从10 V/s到0.7 MV/s。结果表明，它们遵循不同的地层动力学;斜坡电压越高，稳定部分越小，视矫顽力场越大。

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Stable and metastable ferroelectric polarization analyzed by the ramp voltage technique

The study of the stable and the metastable ferroelectric polarization of poly(vinylidene fluoride), PVDF, was performed using two successive equal sign ramp voltages, mediated by a short-circuit period. Rates from 10 V/s up to 0.7 MV/s were used. Results showed that they follow different formation kinetics; that the stable part decreases for higher ramp voltage rates and its apparent coercive field increases.

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Proceedings. 11th International Symposium on Electrets

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