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

dc.contributor.authorLongo, V. M.
dc.contributor.authorSilva, M. S.
dc.contributor.authorDe Figueiredo, A. T.
dc.contributor.authorFranco, R. W. A.
dc.contributor.authorVila, Carles
dc.contributor.authorCilense, Mário
dc.contributor.authorVarela, José A.
dc.contributor.authorLongo, Elson
dc.contributor.authorAndres, Juan
dc.date.accessioned2012-08-07T09:56:10Z
dc.date.available2012-08-07T09:56:10Z
dc.date.issued2009
dc.identifier.citationLONGO, V. M., et al. Photoluminescence in quasi-amorphous Pb0. 8X0. 2Zr0. 53Ti0. 47O3 (X= Ca, Sr and Ba) powders: An optical and structural study. Chemical Physics Letters, 2009, vol. 475, no 1-3, p. 96-100.
dc.identifier.issn0009-2614
dc.identifier.urihttp://hdl.handle.net/10234/43773
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. © 2009 Elsevier B.V. All rights reserved.
dc.language.isoeng
dc.publisherElsevier
dc.relation.isPartOfChemical Physics Letters, 475, 1-3, p. 96-100
dc.rights.urihttp://rightsstatements.org/vocab/CNE/1.0/*
dc.titlePhotoluminescence in quasi-amorphous Pb0.8X0.2Zr0.53Ti0.47O3 (X = Ca, Sr and Ba) powders: An optical and structural study
dc.typeinfo:eu-repo/semantics/article
dc.identifier.doihttp://dx.doi.org/10.1016/j.cplett.2009.05.026
dc.rights.accessRightsinfo:eu-repo/semantics/closedAccess
dc.type.versioninfo:eu-repo/semantics/publishedVersion


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