聚酰亚胺中空间电荷修饰的瞬态

1988. Annual Report., Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 1988-10-16 DOI:10.1109/CEIDP.1988.26372

H. Neuhaus, S. Senturia

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引用次数: 3

摘要

利用金属-PI-金属体系的简单定量模型计算了PI(聚酰亚胺)中空间电荷修饰的导通瞬态。控制离子含量的PI样品的实验数据与数值计算的电流时间瞬态进行了比较。计算出的瞬态模拟了实验数据中观察到的总体趋势。移动离子的作用是改变瞬态电流的形状，但稳定电流对离子浓度的依赖性不强。因此，详细分析电测量过程中空间电荷的形成对于理解绝缘聚合物中的瞬态现象是至关重要的

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Space-charge modified transients in polyimide

A simple quantitative model for the metal-PI-metal system was used to calculate space-charge modified conduction transients in PI (polyimide). Experimental data from PI samples containing controlled ion content are compared with numerically computed current-time transients. The calculated transients model the gross trends observed in experimental data. The effect of mobile ions is to change the shape of the current transient, but the steady current is not strongly dependent on ionic concentration. It is concluded that a detailed analysis of the formation of space-charge during electrical measurements is critical to the understanding of transient phenomena in insulating polymers.<>

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1988. Annual Report., Conference on Electrical Insulation and Dielectric Phenomena

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