Influence of the temperature on current-voltage characteristics of composite materials fabricated based on a polypropylene matrix and carbon fillers

A composite material based on a polypropylene matrix and carbon fillers has been fabricated in the form of films and blocks. It has been shown that the dependence of the resistivity of the composite on the filler weight fraction has a threshold character. The current-voltage characteristics of compo...

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Bibliographic Details
Published in:Physics of the solid state 2015-04, Vol.57 (4), p.832-836
Main Authors: Stepashkina, A. S., Aleshin, A. N., Rymkevich, P. P.
Format: Article
Language:English
Subjects:
Composite materials
Electric properties
Physics
Physics and Astronomy
Polymers
Polypropylene
Solid State Physics
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Summary:A composite material based on a polypropylene matrix and carbon fillers has been fabricated in the form of films and blocks. It has been shown that the dependence of the resistivity of the composite on the filler weight fraction has a threshold character. The current-voltage characteristics of composite films have been measured at different temperatures in the range of 80–360 K. The temperature dependence of the resistivity of the composites at different filler weight fractions has been found. A theoretical description of current-voltage characteristics at different temperatures has been presented.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783415040290