PETP电晕带电箔上电场引起的峰移

6th International Symposium on Electrets,(ISE 6) Proceedings. Pub Date : 1988-09-01 DOI:10.1109/ISE.1988.38590

J. A. Malmonge, G. F. Leal Ferreira, J. Giacometti, R. A. Moreno

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引用次数: 0

摘要

电晕带电的退火PETP(聚对苯二甲酸乙二醇酯)样品在室温加热时只有一个开路电流峰值，热图与极性和金属电极无关。然而，峰移到较低的温度，增加了初始电位。这些结果表明，电场激活的电导率在起作用。冻结的自由体积电荷可以解释在热图的低温部分观察到的较高电流。

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Peak shift due to the electric field on PETP corona charged foils

Annealed PETP (polyethylene terephthalate) samples which are corona charged give only one open-circuit current peak on heating from room temperature, the thermograms being independent of the polarity and metal electrodes. However, the peak shifts to a lower temperature for increasing initial potential. These results indicate that an electric-field-activated conductivity is at work. Frozen free-volume charges may explain higher currents observed on the low-temperature part of the thermogram.<>

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6th International Symposium on Electrets,(ISE 6) Proceedings.

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