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dc.contributor.authorRamajo, L.-
dc.contributor.authorParra, R.-
dc.contributor.authorVarela, José Arana-
dc.contributor.authorReboredo, M. M.-
dc.contributor.authorRamirez, M. A.-
dc.contributor.authorCastro, M. S.-
dc.identifier.citationJournal of Alloys and Compounds. Lausanne: Elsevier B.V. Sa, v. 497, n. 1-2, p. 349-353, 2010.-
dc.description.abstractMicrostructure, electrical properties and dielectric behavior of undoped and VO2-doped CaCu3Ti4O12/CaTiO3 (CCTO/CTO) systems, were investigated. Discs doped with 0-3 mol% of VO2 were sintered at 1075 degrees C CaTiO3 (CTO) was found as a secondary phase in every sample, but vanadium phases were not detected It was also observed that vanadium diminished the CCTO grain size and dramatically changed the microstructure. The dielectric constant decreased from 13,500 to 9800 epsilon(0) (at 2500 Hz) for undoped to V-doped-CCTO/CTO. Also, the breakdown voltage and the non-linear coefficient alpha increased from 500 to 5000 V/m and from 3 to 25, respectively. Energy dispersive X-ray results indicated that vanadium was incorporated in the composite structure. (C) 2010 Elsevier B V All rights reserved.en
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.description.sponsorshipConsejo Nacional de Investigaciones Científicas y Técnicas (CONICET)-
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
dc.publisherElsevier B.V. Sa-
dc.sourceWeb of Science-
dc.subjectElectrical propertiesen
dc.titleInfluence of vanadium on electrical and microstructural properties of CaCu3Ti4O12/CaTiO3en
dc.contributor.institutionUniv Mar del Plata-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv Mar del Plata, Inst Mat Sci & Technol INTEMA, CONICET, Mar Del Plata, Buenos Aires, Argentina-
dc.description.affiliationSão Paulo State Univ UNESP, Inst Chem, BR-14800900 Araraquara, Brazil-
dc.description.affiliationUnespSão Paulo State Univ UNESP, Inst Chem, BR-14800900 Araraquara, Brazil-
dc.description.sponsorshipIdCAPES: 029/08-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Alloys and Compounds-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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