Study of AC electrical conduction mechanisms in an epoxy polymer

Abstract : The AC conductivity of an epoxy resin was investigated in the frequency range (Formula presented.) Hz at temperatures ranging from -100 to 120 °C. The frequency dependence of σac was described by the law: (Formula presented.). The study of temperature variation of the exponent (s) reveals two conduction models: the AC conduction dependence upon temperature is governed by the small polaron tunneling mechanism (SPTM) at low temperature (-100 -60 °C) and the correlated barrier hopping (CHB) model at high temperature (80-120 °C).
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Article dans une revue
The European Physical Journal Plus, 2015, 130, pp.1-9. 〈10.1140/epjp/i2015-15235-9〉
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Soumis le : mardi 12 janvier 2016 - 15:20:41
Dernière modification le : mardi 10 juillet 2018 - 17:42:02

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Wissal Jilani, N. Mzabi, Olivier Gallot-Lavallée, N. Fourati, Chouki Zerrouki, et al.. Study of AC electrical conduction mechanisms in an epoxy polymer. The European Physical Journal Plus, 2015, 130, pp.1-9. 〈10.1140/epjp/i2015-15235-9〉. 〈hal-01254659〉

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