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Intense visible photoluminescence in Ba(Zr0.25Ti0.75)O-3 thin films

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dc.contributor.authorCavalcante, L. S.
dc.contributor.authorGurgel, M. F. C.
dc.contributor.authorSimoes, A. Z.
dc.contributor.authorLongo, Elson [UNESP]
dc.contributor.authorVarela, José Arana [UNESP]
dc.contributor.authorJoya, M. R.
dc.contributor.authorPizani, P. S.
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:18:03Z
dc.date.available2014-05-20T14:18:03Z
dc.date.issued2007-01-01
dc.description.abstractPhotoluminescence at room temperature in Ba(Zr0.25Ti0.75)O-3 thin films was explained by the degree of structural order-disorder. Ultraviolet-visible absorption spectroscopy, photoluminescence, and first principles quantum mechanical measurements were performed. The film annealed at 400 degrees C for 4 h presents intense visible photoluminescence behavior at room temperature. The increase of temperature and annealing time creates [ZrO6]-[TiO6] clusters in the lattice leading to the trapping of electrons and holes. Thus, [ZrO5]-[TiO6]/[ZrO6]-[TiO6] clusters were the main reason for the photoluminescence behavior.en
dc.description.affiliationUniv Fed Sao Carlos, Dept Quim, Lab Interdisciplinar Electroquim & Ceram, BR-13565905 Sao Carlos, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Lab Interdisciplinar Ceram, Dept Fis Quim, BR-14801907 Araraquara, SP, Brazil
dc.description.affiliationUniv Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Lab Interdisciplinar Ceram, Dept Fis Quim, BR-14801907 Araraquara, SP, Brazil
dc.format.extent3
dc.identifierhttp://dx.doi.org/10.1063/1.2425013
dc.identifier.citationApplied Physics Letters. Melville: Amer Inst Physics, v. 90, n. 1, 3 p., 2007.
dc.identifier.doi10.1063/1.2425013
dc.identifier.fileWOS000243379900023.pdf
dc.identifier.issn0003-6951
dc.identifier.urihttp://hdl.handle.net/11449/25429
dc.identifier.wosWOS:000243379900023
dc.language.isoeng
dc.publisherAmerican Institute of Physics (AIP)
dc.relation.ispartofApplied Physics Letters
dc.relation.ispartofjcr3.495
dc.relation.ispartofsjr1,382
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.titleIntense visible photoluminescence in Ba(Zr0.25Ti0.75)O-3 thin filmsen
dc.typeArtigo
dcterms.licensehttp://publishing.aip.org/authors/web-posting-guidelines
dcterms.rightsHolderAmer Inst Physics
dspace.entity.typePublication
unesp.author.lattes3573363486614904[3]
unesp.author.orcid0000-0003-2535-2187[3]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentFísico-Química - IQARpt

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