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Contribution of structural order-disorder to the green photoluminescence of PbWO4

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dc.contributor.authorAnicete-Santos, M.
dc.contributor.authorOrhan, E.
dc.contributor.authorde Maurera, M. A. M. A.
dc.contributor.authorSimoes, L. G. P.
dc.contributor.authorSouza, A. G.
dc.contributor.authorPizani, P. S.
dc.contributor.authorLeite, E. R.
dc.contributor.authorVarela, José Arana [UNESP]
dc.contributor.authorAndres, Juan
dc.contributor.authorBeltran, A.
dc.contributor.authorLongo, Elson [UNESP]
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniv Jaume 1
dc.contributor.institutionUniv Limoges
dc.contributor.institutionUniversidade Federal da Paraíba (UFPB)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:29:58Z
dc.date.available2014-05-20T15:29:58Z
dc.date.issued2007-04-01
dc.description.abstractAn intense and broad visible photoluminescence (PL) band was observed at room temperature in structurally disordered PbWO4 thin films. The scheelite lead tungstate (PbWO4) films prepared by the polymeric precursor method and annealed at different temperatures were structurally characterized by means of x-ray diffraction and atomic force microscopy analysis. Quantum-mechanical calculations showed that the local disorder of the network modifier (Pb) has a very important role in the charge transfer involved in the green PL emission. The experimental and theoretical results are in good agreement, both indicating that the generation of the intense visible PL band is related to simultaneous structural order and disorder in the scheelite PbWO4 lattice.en
dc.description.affiliationUniv Fed Sao Carlos, Dept Chem, LIEC, BR-13565905 Sao Carlos, SP, Brazil
dc.description.affiliationUniv Jaume 1, Dept Ciencies Expt, Castellon de La Plana, Spain
dc.description.affiliationUniv Limoges, Fac Sci & Tech, UMR CNRS 6638, F-87060 Limoges, France
dc.description.affiliationUniv Fed Paraiba, Dept Chem, BR-58059900 Joao Pessoa, Paraiba, Brazil
dc.description.affiliationUniv Fed Sao Carlos, Dept Phys, BR-13565905 Sao Carlos, SP, Brazil
dc.description.affiliationUNESP, Inst Chem, LIEC, BR-14801907 Araraquara, SP, Brazil
dc.description.affiliationUnespUNESP, Inst Chem, LIEC, BR-14801907 Araraquara, SP, Brazil
dc.format.extent11
dc.identifierhttp://dx.doi.org/10.1103/PhysRevB.75.165105
dc.identifier.citationPhysical Review B. College Pk: American Physical Soc, v. 75, n. 16, 11 p., 2007.
dc.identifier.doi10.1103/PhysRevB.75.165105
dc.identifier.fileWOS000246075900015.pdf
dc.identifier.issn1098-0121
dc.identifier.urihttp://hdl.handle.net/11449/39433
dc.identifier.wosWOS:000246075900015
dc.language.isoeng
dc.publisherAmerican Physical Soc
dc.relation.ispartofPhysical Review B
dc.relation.ispartofsjr1,604
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.titleContribution of structural order-disorder to the green photoluminescence of PbWO4en
dc.typeArtigo
dcterms.licensehttp://publish.aps.org/authors/transfer-of-copyright-agreement
dcterms.rightsHolderAmerican Physical Soc
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentBioquímica e Tecnologia - IQARpt
unesp.departmentFísico-Química - IQARpt

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