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Título:	Study of dispersive mobility in polyimide by surface voltage decay measurements
Autor/a:	Aragoneses Aguado, Andrés; Mudarra López, Miguel; Belana Punseti, Juan; Diego Vives, José Antonio
Otros autores:	Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear; Universitat Politècnica de Catalunya. DILAB - Laboratori de física dels materials dielèctrics
Abstract:	In order to study charge trapping and transport in polyimide, we have submitted samples of Kapton HN to corona charging and measured its surface potential decay with an electrostatic voltmeter. We propose a two terms mobility to explain the experimental data: a non dispersive contribution based on Toomer and Lewis model added to a dispersive process, which is associated with the disordered structure of the material. The non-dispersive model alone did not fit well to the data for short times, but our assumption makes the theoretical expresion fit succesfully to the experimental data. Some important parameters related to the charge transport properties of the material are determined and discussed.
Materia(s):	-Àrees temàtiques de la UPC::Física::Electromagnetisme::Conductivitat -Thermal conductivity -Polyimides -Space charge -Calor -- Conducció -Poliamides
Derechos:
Tipo de documento:	Artículo - Borrador Artículo
Editor:	ELSEVIER PUBLISHER
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