A new SnO2-based varistor system

The current densities versus applied electric field behaviour of high dense SnO2 ceramics were studied. Transition metal oxides were used as densifying agent. Highly non-linear electrical properties were obtained similar to those of multiphase ZnO-based varistor, for an apparently single-phase ceram...

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Bibliographic Details
Published inJournal of materials science letters Vol. 14; no. 10; pp. 692 - 694
Main Authors PIANARO, S. A, BUENO, P. R, LONGO, E, VARELA, J. A
Format Journal Article
LanguageEnglish
Published Dordrecht Kluwer Academic Publishers 01.01.1995
Subjects
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Conductivity of specific materials
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronic transport in condensed matter
Electronics
Exact sciences and technology
Physics
Inorganic compounds
Ternary compounds
Ternary systems
Transition element compounds
Cobalt oxides
Binary systems
Experimental study
Varistance
Tin oxides
Multi-element compounds
Quaternary systems
Chromium oxides
Electric field effects
Niobium oxides
Microstructure
Quaternary compounds
Electric conductivity
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Summary:The current densities versus applied electric field behaviour of high dense SnO2 ceramics were studied. Transition metal oxides were used as densifying agent. Highly non-linear electrical properties were obtained similar to those of multiphase ZnO-based varistor, for an apparently single-phase ceramic system based on SnO2.CoO.Nb2O5.Cr2O3. 21 refs.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0261-8028
1573-4811
DOI:10.1007/BF00253373