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Ionized oxygen vacancy-related electrical conductivity in (Pb(1-x)La(x)) (Zr(0.90)Ti(0.10))(1-x/4)O(3) ceramics

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dc.contributor.authorPelaiz-Barranco, A. [UNESP]
dc.contributor.authorGuerra, J. D. S. [UNESP]
dc.contributor.authorLopez-Noda, R.
dc.contributor.authorAraujo, E. B. [UNESP]
dc.contributor.institutionUniv La Habana
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionICIMAF
dc.date.accessioned2014-05-20T13:29:47Z
dc.date.available2014-05-20T13:29:47Z
dc.date.issued2008-11-07
dc.description.abstractThe electrical conductivity behaviour in the paraelectric state has been investigated in lanthanum modified lead zirconate titanate (PLZT) ceramics, considering the universal relaxation law. The contribution of conductive processes to the dielectric response for the low-frequency range was discussed taking into account the oxygen vacancies mechanism. The activation energies for the thermally hopping and conductivity processes were obtained. The results for the frequency dependence of the conductivity suggest at the oxygen vacancy hopping processes, due to relaxations in oxygen vacancy-related dipoles, being mainly responsible for the conduction behaviour in the studied system.en
dc.description.affiliationUniv La Habana, Fac Fis, Inst Ciência & Tecnol Mat, Havana 10400, Cuba
dc.description.affiliationUniv Estadual Paulista UNESP, Dept Quim & Fis, BR-15385000 Ilha Solteira, SP, Brazil
dc.description.affiliationICIMAF, Inst Cibernet Matemat & Fis, Dept Fis Aplicada, Havana 10400, Cuba
dc.description.affiliationUnespUniv Estadual Paulista UNESP, Dept Quim & Fis, BR-15385000 Ilha Solteira, SP, Brazil
dc.description.sponsorshipThird World Academy of Sciences
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipICTP, Trieste-Italy
dc.description.sponsorshipIdTWAS: 99-050
dc.description.sponsorshipIdTWAS: 02-225
dc.description.sponsorshipIdTWAS: 05-043
dc.description.sponsorshipIdFAPESP: 06/60013-5
dc.description.sponsorshipIdICTP, Trieste-Italy: NET-43
dc.format.extent5
dc.identifierhttp://dx.doi.org/10.1088/0022-3727/41/21/215503
dc.identifier.citationJournal of Physics D-applied Physics. Bristol: Iop Publishing Ltd, v. 41, n. 21, p. 5, 2008.
dc.identifier.doi10.1088/0022-3727/41/21/215503
dc.identifier.issn0022-3727
dc.identifier.lattes6725982228402054
dc.identifier.urihttp://hdl.handle.net/11449/10085
dc.identifier.wosWOS:000260156200051
dc.language.isoeng
dc.publisherIop Publishing Ltd
dc.relation.ispartofJournal of Physics D: Applied Physics
dc.relation.ispartofjcr2.373
dc.relation.ispartofsjr0,717
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleIonized oxygen vacancy-related electrical conductivity in (Pb(1-x)La(x)) (Zr(0.90)Ti(0.10))(1-x/4)O(3) ceramicsen
dc.typeArtigo
dcterms.licensehttp://iopscience.iop.org/page/copyright
dcterms.rightsHolderIop Publishing Ltd
dspace.entity.typePublication
unesp.author.lattes6725982228402054
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Engenharia, Ilha Solteirapt
unesp.departmentFísica e Química - FEISpt

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Ilha Solteira - FEIS - Faculdade de Engenharia