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dc.contributor.authorSigoli, F. A.-
dc.contributor.authorDavolos, Marian Rosaly-
dc.contributor.authorJafelicci, M.-
dc.identifier.citationJournal of Alloys and Compounds. Lausanne: Elsevier B.V. Sa, v. 344, n. 1-2, p. 308-311, 2002.-
dc.description.abstractIn this work, Eu(III) and Eu(II) doped gadolinium silicates has been obtained as compact tubes starting from spherical gadolinium hydroxide carbonate using the pores of silica matrix as support and its surface as reagent. Eu(III) doped gadolinium silicate with hexagonal phase shows an interesting visible shifted charge transfer band when compared to disilicate with orthorhombic phase that was also obtained. Eu(II) gadolinium silicate has been prepared using CO atmosphere presenting an intense blue emission. The divalent europium system shows a potential application as an UV-blue converter. The samples were characterized by scanning electron microscopy (SEM), X-ray powder diffractometry (XRD) and photoluminescence spectroscopy. (C) 2002 Elsevier B.V. B.V. All rights reserved.en
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjectporous inorganic supportpt
dc.subjectsilicate and luminescencept
dc.titleRed and blue emissions of europium doped gadolinium silicate from porous silica matrix and hydroxide carbonate with spherical shaped particlesen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv Estadual Paulista, UNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, UNESP, Inst Quim, BR-14801970 Araraquara, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Alloys and Compounds-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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