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Varistors based on barium titanate-graphite-rubber composites

Lalkishore, K and Ramkumar, K and Satyam, M (1987) Varistors based on barium titanate-graphite-rubber composites. In: Journal of Applied Physics, 61 (1). pp. 397-403.

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This paper describes the experimental and theoretical studies carried out on particulate composites consisting of BaTiO3, graphite, and rubber. It is shown that such composites exhibit a positive voltage coefficient of resistance beyond a certain voltage. A theoretical model developed to explain the observed V-R characteristics and their dependence on parameters of the composite like composition and grain size of the particles is also described. These composites seem to be useful as varistors with positive voltage coefficient of resistance and may find applications as voltage-regulating devices. Journal of Applied Physics is copyrighted by The American Institute of Physics.

Item Type: Journal Article
Publication: Journal of Applied Physics
Publisher: American Institute of Physics
Additional Information: Copy right of this article belongs to American Institute of Physics.
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 18 Jan 2010 06:38
Last Modified: 19 Sep 2010 05:41
URI: http://eprints.iisc.ac.in/id/eprint/22220

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