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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/41190
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dc.contributor.authorCavalcante, L. S.-
dc.contributor.authorSczancoski, J. C.-
dc.contributor.authorEspinosa, J. W. M.-
dc.contributor.authorVarela, José Arana-
dc.contributor.authorPizani, P. S.-
dc.contributor.authorLongo, Elson-
dc.date.accessioned2014-05-20T15:32:14Z-
dc.date.accessioned2016-10-25T18:08:24Z-
dc.date.available2014-05-20T15:32:14Z-
dc.date.available2016-10-25T18:08:24Z-
dc.date.issued2009-04-17-
dc.identifierhttp://dx.doi.org/10.1016/j.jallcom.2008.06.049-
dc.identifier.citationJournal of Alloys and Compounds. Lausanne: Elsevier B.V. Sa, v. 474, n. 1-2, p. 195-200, 2009.-
dc.identifier.issn0925-8388-
dc.identifier.urihttp://hdl.handle.net/11449/41190-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/41190-
dc.description.abstractPhotoluminescence (PL) at room temperature was observed in BaWO4 powders processed in microwave-hydrothermal at 140 degrees C for different times. The phases were characterized by X-ray diffraction (XRD) and Fourier transform Raman (FT-Raman) measurements. XRD and FT-Raman analyses revealed that the BaWO4 powders present a tetragonal structure and free of deleterious phases. Ultraviolet-visible absorption spectroscopy was employed to determine the optical band gap of this material. PL measurements at room temperature showed a maximum emission at around 543 nm (green emission) when excited with 488 nm wavelength. PL behavior was attributed to the existence of distortions on the [WO4] tetrahedron groups caused by microwave radiation. (C) 2008 Elsevier B.V. All rights reserved.en
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
dc.description.sponsorshipFAPESR-
dc.format.extent195-200-
dc.language.isoeng-
dc.publisherElsevier B.V. Sa-
dc.sourceWeb of Science-
dc.subjectOptical materialsen
dc.subjectPrecipitationen
dc.subjectCrystal structureen
dc.subjectOptical propertiesen
dc.subjectLuminescenceen
dc.titlePhotoluminescent behavior of BaWO4 powders processed in microwave-hydrothermalen
dc.typeoutro-
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniversidade Federal de São Carlos (UFSCar), LIEC, Dept Quim & Fis, BR-13565905 São Carlos, SP, Brazil-
dc.description.affiliationUniv Estadual Paulista, IQ, BR-14801907 Araraquara, SP, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, IQ, BR-14801907 Araraquara, SP, Brazil-
dc.identifier.doi10.1016/j.jallcom.2008.06.049-
dc.identifier.wosWOS:000266952000042-
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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