Electrical conduction in Kapton polyimide film at high electrical fields

Electrical conduction in Kapton polyimide film was studied under steady-state conditions in the temperature range 100°–200°C and in electric fields of 50–450 kV cm −1. An attempt was made to fit the field dependence of current to one of the several possible mechanisms which have been proposed by dif...

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Bibliographic Details
Published in:Polymer (Guilford) 1982, Vol.23 (1), p.17-20
Main Authors: Sharma, B.L., Pillai, P.K.C.
Format: Article
Language:English
Subjects:
conduction
Electrical properties
ionic jump
Kapton polyimide
mechanism
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Summary:Electrical conduction in Kapton polyimide film was studied under steady-state conditions in the temperature range 100°–200°C and in electric fields of 50–450 kV cm −1. An attempt was made to fit the field dependence of current to one of the several possible mechanisms which have been proposed by different workers. Evidence is presented to suggest that even at high fields ionic conduction may be the operative mechanism of conduction. Values of ionic jump distance of 50–60 Å show good agreement with values reported by other workers.
ISSN:0032-3861
1873-2291
DOI:10.1016/0032-3861(82)90006-4