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Photoluminescence in quasi-amorphous Pb0.8X0.2Zr0.53Ti0.47O3 (X = Ca, Sr and Ba) powders: An optical and structural study

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dc.contributor.authorLongo, V. M. [UNESP]
dc.contributor.authorSilva, M. S.
dc.contributor.authorde Figueiredo, A. T. [UNESP]
dc.contributor.authorFranco, R. W. A.
dc.contributor.authorVila, C. [UNESP]
dc.contributor.authorCilense, M. [UNESP]
dc.contributor.authorVarela, José Arana [UNESP]
dc.contributor.authorLongo, Elson [UNESP]
dc.contributor.authorAndres, J.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade do Estado de Minas Gerais (UEMG)
dc.contributor.institutionCCT LCFIS
dc.contributor.institutionUniv Jaume 1
dc.date.accessioned2014-05-20T15:33:01Z
dc.date.available2014-05-20T15:33:01Z
dc.date.issued2009-06-16
dc.description.abstractCrystalline and quasi-amorphous PZT and PZT:X (X = Ca, Sr and Ba) powders were obtained by the polymeric precursor method. Electron paramagnetic resonance (EPR) and photoluminescence (PL) data suggest that the presence of order-disorder within the lattice network, i.e., the appearance of symmetry-breaking processes that give rise to non-ideal octahedra and networks of dodecahedral clusters, is an essential factor for the occurrence of PL. Measurements of PL indicate that the shallow defects in the band gap enhance blue light emission. (c) 2009 Elsevier B.V. All rights reserved.en
dc.description.affiliationUNESP, IQ, LIEC, BR-14801970 Araraquara, SP, Brazil
dc.description.affiliationUEMGS, BR-14801907 Dourados, MS, Brazil
dc.description.affiliationCCT LCFIS, UENF, BR-28013602 Campos Dos Goytacazes, Brazil
dc.description.affiliationUniv Jaume 1, Dept Quim Fis & Analit, Castellon de La Plana 12071, Spain
dc.description.affiliationUnespUNESP, IQ, LIEC, BR-14801970 Araraquara, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipMinisterio de Educacion y Ciência (Spain)
dc.format.extent96-100
dc.identifierhttp://dx.doi.org/10.1016/j.cplett.2009.05.026
dc.identifier.citationChemical Physics Letters. Amsterdam: Elsevier B.V., v. 475, n. 1-3, p. 96-100, 2009.
dc.identifier.doi10.1016/j.cplett.2009.05.026
dc.identifier.issn0009-2614
dc.identifier.lattes9128353103083394
dc.identifier.urihttp://hdl.handle.net/11449/41770
dc.identifier.wosWOS:000266673600020
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofChemical Physics Letters
dc.relation.ispartofjcr1.686
dc.relation.ispartofsjr0,656
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titlePhotoluminescence in quasi-amorphous Pb0.8X0.2Zr0.53Ti0.47O3 (X = Ca, Sr and Ba) powders: An optical and structural studyen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.author.lattes9128353103083394
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentBioquímica e Tecnologia - IQARpt
unesp.departmentFísico-Química - IQARpt

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Araraquara - IQAR - Instituto de Química