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# Improvement of Non-Linear Characteristics of Multicomponent ZnO-based Ceramics Containing ${Nb}_2O_5$

Asokan, T and Nagabhushana, GR and Iyengar, GNK (1988) Improvement of Non-Linear Characteristics of Multicomponent ZnO-based Ceramics Containing ${Nb}_2O_5$. In: IEEE Transactions on Electrical Insulation, 23 (2). pp. 279-286.

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## Abstract

The combined effect of minor variations in the ${Nb}_2O_5$ content and initial particle size on the current-voltage characteristics and energy handling capability of ZnO based composites is reported. Samples containing 0.2 wt% of ${Nb}_2O_5$ along with other additive oxides, prepared as a finely milled mixture were found to posses the best overall properties, characterized by high non-linearity index (\simeq60), low leakage current (0.6-1.2 \mu A/${cm}^2$), high energy handling capability (>325 J/${cm}^3$), and long life (>150 yr), among the samples studied. Addition of ${Nb}_2O_5$ above 0.2 wt%, maintaining other parameters constant, was found to affect the properties drastically.

Item Type: Journal Article Ã�Â©1988 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)Division of Electrical Sciences > High Voltage Engineering (merged with EE) 04 Oct 2005 19 Sep 2010 04:20 http://eprints.iisc.ernet.in/id/eprint/3763

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