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In this paper, the development of a 1D physical conductivity model that describes charge transport in dielectric materials under space radiations with application to Kapton-HN is discussed. This model allows a good description of the charging behavior in dielectric materials. Former experiment run at ONERA on Kapton-HN showed that conductivity is temperature and electric field dependent. These results confirmed the need of implementing these dependences to our 1D model. This paper focuses on the electric field dependence. After a thorough analysis in the literature, several physical theories have been found that can explain this electric field dependence on the conductivity. They are the Onsager theory and the electric field assisted de-trapping mechanisms: direct tunneling, hopping transport, and the Poole-Frenkel theory. This paper is divided as follows: first the experiments that brought into evidence the electric field dependence of the conductivity in Kapton-HN are pointed out. Then the theories that...

journal of applied physics

Electric field dependence on the conductivity of Kapton-HN: Integration into a 1D physical model used for the description of charge transport in dielectric materials under space environment