ELECTRICAL CONDUCTION IN CARBON-POLYMER COMPOSITES.

被引：0
|
作者：
SICHEL, E.K.
机构：
来源：
| 1981年 / V 1卷 / N 1期
关键词：
SEMICONDUCTOR DEVICES - TUNNELING;
D O I：
暂无
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学科分类号：
摘要：
THE ELECTRICAL PROPERTIES OF TWO CARBON-POLYMER COMPOSITES ARE DISCUSSED: CARBON BLACK IN A POLYVINYLCHLORIDE-BASED RESIN AND A PYROLYZED POLYIMIDE WHICH, IT IS SUGGESTED, CONTAINS CARBONIZED MICROSCOPIC ISLANDS. FROM STUDIES OF THE OPTICAL PROPERTIES AND THE TEMPERATURE DEPENDENCE OF THE RESISTIVITY IT IS CONCLUDED THAT FLUCTUATION-INDUCED TUNNELING OCCURSIN THE CARBON-POLYVINYLCHLORIDE COMPOSITE AND THAT CHARGINGENERGY-LIMITED HOPPING OCCURS IN THE PYROLYZED POLYIMIDE. THE DIFFERENT CONDUCTION MECHANISMS ARE SHOWN TO BE A CONSEQUENCE OF THE SIZE, SHAPE, AND GEOMETRICAL ARRANGEMENT OF THE MICROSCOPIC CONDUCTING REGIONS IN THE COMPOSITES.
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页码：83 / 96
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