The role of space charge in the electrical conduction of ethylene-vinyl acetate copolymers
作者： Y Suzuoki , H Muto , T Mizutani , M Ieda
DOI: 10.1088/0022-3727/20/8/011
关键词: Anode 、 Electrical conduction 、 Molecular physics 、 Thermal conduction 、 Chemistry 、 Polymer chemistry 、 Copolymer 、 Current (fluid) 、 Field (physics) 、 Space charge 、 Ethylene-vinyl acetate
摘要: Space charge in the ethylene-vinyl acetate (EVA) copolymer was directly probed by a thermal-pulse-current (TPC) technique. The mechanism of electrical conduction is discussed using results TPC and measurements. explained as follows. In low-field region, positive-carrier injection dominates conduction. Positive homo space due to injected carriers formed controls case space-charge-limited current. quantitatively space-charge-perturbed current theory which anode field not reduced zero. high-field carrier rate cannot cope with sweepout injection-limited.
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