Charge Transport in Polyimide Electret During and After Corona Charging

Chin. Phys. Lett.

1992, Vol. 9

Issue (1): 33-36 DOI:

Original Articles

Charge Transport in Polyimide Electret During and After Corona Charging

XIA Zhongfu;JIANG Jian^*;DING Hai

Pohl Institute, Tongli University, Shanghai 200092 ^*The Second Military Medical University

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XIA Zhongfu, JIANG Jian, DING Hai 1992 Chin. Phys. Lett. 9 33-36

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Abstract The influence of bulk conductivity at elevated temperature on injected charge depth along the thickness of polyimide foil was investigated by means of heat pulse technique and a three terminal-electrode system. The transport rule of detrapped real charge after corona charging and the main reason causing the decay of the charge in the bulk of the sample during thermally stimulated discharge were studied by measuring mean charge depths, steady-state conduction current-temperature curve and effective surface charge density.

Keywords: 73.50.Gr 77.30.+d

Published: 01 January 1992

PACS:	73.50.Gr	(Charge carriers: generation, recombination, lifetime, trapping, mean free paths)
	77.30.+d

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1992/V9/I1/033

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