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dc.contributor.authorStojanovic, B. D.-
dc.contributor.authorFoschini, C. R.-
dc.contributor.authorSreckovic, T. V.-
dc.contributor.authorPavlovic, V. B.-
dc.contributor.authorZivkovic, L. J.-
dc.contributor.authorCilence, M.-
dc.contributor.authorVarela, José Arana-
dc.identifier.citationIntegrated Ferroelectrics. Reading: Gordon Breach Sci Publ Ltd, v. 32, n. 1-4, p. 765-774, 2001.-
dc.description.abstractBaTiO3 is usually doped to achieve the temperature stability required by device applications, as well as to obtain a large positive temperature coefficient anomaly of resistivity (PTCR). Uniform distribution of dopants among the submicron dielectric particles is the key for optimal control of grain size and microstructure to maintain a high reliability. The system Ba0.84Pb0.16TiO3 was synthesized from high purity BaCO3, TiO2, PbO oxide powders as raw materials. Sb2O3, MnSO4 and ZnO were used as dopants and Al2O3, TiO2 and SiO2 as grain growth controllers. Phase composition was analyzed by using XRD and the microstructure was investigated by SEM. EDS attached to SEM was used to analyze phase composition specially related to abnormal grain growth. Electrical resistivities were measured as a function of temperature and the PTCR effect characterized by an abrupt increase on resistivity.en
dc.publisherGordon Breach Sci Publ Ltd-
dc.sourceWeb of Science-
dc.subjectdoped systempt
dc.subjectelectrical propertiespt
dc.titleStructural and electrical characterization of semiconducting barium-lead-titanate ceramicsen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversity of Belgrade-
dc.contributor.institutionUniv Nis-
dc.description.affiliationUNESP, Inst Chem, Araraquara, SP, Brazil-
dc.description.affiliationUniv Belgrade, Ctr Multidisc Studies, YU-11001 Belgrade, Yugoslavia-
dc.description.affiliationUniv Belgrade, Fac Agr, Dept Phys, YU-11001 Belgrade, Yugoslavia-
dc.description.affiliationUniv Nis, Fac Elect Engn, Nish, Yugoslavia-
dc.description.affiliationUnespUNESP, Inst Chem, Araraquara, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofIntegrated Ferroelectrics-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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