Sol-gel glass-coated zinc oxide for varistor applications

Sol-gel B-Si-Pb glass-coated ZnO varistors with low breakdown voltage were prepared by chemical precipitation and sol-gel technology. Breakdown voltage and non-linear coefficient of the samples sintered at the same temperature increased with increasing glass content. Breakdown voltage of the samples...

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Bibliographic Details
Published in:Journal of materials science letters 1998, Vol.17 (9), p.769-771
Main Authors: Kong, L, Li, F, Zhang, L, Yao, X
Format: Article
Language:English
Subjects:
Applied sciences
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
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Summary:Sol-gel B-Si-Pb glass-coated ZnO varistors with low breakdown voltage were prepared by chemical precipitation and sol-gel technology. Breakdown voltage and non-linear coefficient of the samples sintered at the same temperature increased with increasing glass content. Breakdown voltage of the samples based on the same composition decreased with increasing sintering temperature, while the change of non-linear-coefficient was not significant. 7 refs.
ISSN:0261-8028
DOI:10.1023/A:1006635616836