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dc.creatorVuković, Marina
dc.creatorBranković, Goran
dc.creatorMarinković Stanojević, Zorica
dc.creatorPoleti, Dejan
dc.creatorBranković, Zorica
dc.date.accessioned2022-04-05T14:56:36Z
dc.date.available2022-04-05T14:56:36Z
dc.date.issued2015
dc.identifier.issn0955-2219
dc.identifier.urihttp://rimsi.imsi.bg.ac.rs/handle/123456789/874
dc.description.abstractPreviously synthesized nanocrystalline ZnO doped with cobalt and manganese, Bi2O3 and Sb2O3 were the precursors for high voltage varistors preparation. Varistor ceramics were sintered at 750 degrees C, 770 degrees C or 900 degrees C for 1 h. An amount of 30 mass% of secondary phases and sintering temperature of 770 degrees C were found to be optimal for obtaining varistor with prominent properties. Achieved density was 97% of the theoretical value. Post-sintering phase composition included ZnO, gamma-Bi2O3 and pyrochlore-type with Zn2Bi3Sb3O14 nominal formula. Fine grained microstructure was accompanied with good phase distribution and excellent electrical characteristics: extraordinary high breakdown field of 3200 V mm(-1), high nonlinearity coefficients of 71 and 51 in 0.1-1 and 1-10 mA cm(-2) current density ranges, respectively, and low leakage current of 7.7 mu A cm(-2).en
dc.publisherElsevier Sci Ltd, Oxford
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45007/RS//
dc.rightsrestrictedAccess
dc.sourceJournal of the European Ceramic Society
dc.subjectUniform microstructureen
dc.subjectSubmicronic grain sizeen
dc.subjectNanoprecursorsen
dc.subjectHigh voltage ZnO varistorsen
dc.subjectElectrical characteristicsen
dc.titleUltra-high breakdown field varistors prepared from individually synthesized nanoprecursorsen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage1814
dc.citation.issue6
dc.citation.other35(6): 1807-1814
dc.citation.rankaM21
dc.citation.spage1807
dc.citation.volume35
dc.identifier.doi10.1016/j.jeurceramsoc.2014.12.015
dc.identifier.scopus2-s2.0-84922203804
dc.identifier.wos000350191900014
dc.type.versionpublishedVersion


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