Crystal structure refinement of Co-doped lanthanum chromites

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dc.contributor.authorCorrea, H. P. S. [UNESP]
dc.contributor.authorPaiva-Santos, C. O. [UNESP]
dc.contributor.authorSetz, L. F.
dc.contributor.authorMartinez, L. G.
dc.contributor.authorMello-Castanho, S. R. H.
dc.contributor.authorOrlando, M. T. D.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Federal do Espírito Santo (UFES)
dc.date.accessioned2014-05-20T15:32:18Z
dc.date.available2014-05-20T15:32:18Z
dc.date.issued2008-06-01
dc.description.abstractResults of crystal structure refinements and phase quantification for samples of Co-doped lanthanum chromites with nominal composition LaCr(1-x)Co(x)O(3), for x=0.00, 0.10, 0.20, and 0.30, prepared by combustion synthesis are presented. The resulting powders were characterized by scanning electron microscopy and X-ray diffraction (XRD). The XRD patterns were obtained with Cu K alpha radiation for non-doped lanthanum chromite sample and additionally with Cr K alpha radiation for Co-doped lanthanum chromites samples, in order to enhance the signal from scattering. Rietveld analysis of XRD data showed that the studied samples presented the lanthanum chromite with an orthorhombic structure (Pnma), except for the composition with x=0.30, in which the space group was found to be R (3) over barc. (C) 2008 International Centre for Diffraction Data.en
dc.description.affiliationUniv Estadual Paulista, Inst Quim, BR-14800900 Araraquara, SP, Brazil
dc.description.affiliationUniv São Paulo, IPEN CNEN SP, BR-05508900 São Paulo, Brazil
dc.description.affiliationUniversidade Federal do Espírito Santo (UFES), Dept Quim & Fis, Vitoria, Espirito Santo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, BR-14800900 Araraquara, SP, Brazil
dc.format.extentS18-S22
dc.identifierhttp://dx.doi.org/10.1154/1.2903501
dc.identifier.citationPowder Diffraction. Newtown Sq: J C P D S-int Centre Diffraction Data, v. 23, n. 2, p. S18-S22, 2008.
dc.identifier.doi10.1154/1.2903501
dc.identifier.issn0885-7156
dc.identifier.urihttp://hdl.handle.net/11449/41246
dc.identifier.wosWOS:000256828200005
dc.language.isoeng
dc.publisherJ C P D S-int Centre Diffraction Data
dc.relation.ispartofPowder Diffraction
dc.relation.ispartofjcr0.519
dc.relation.ispartofsjr0,319
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectLaCrO(3)en
dc.subjectlanthanum chromiteen
dc.subjectRietvelden
dc.subjectX-ray diffractionen
dc.titleCrystal structure refinement of Co-doped lanthanum chromitesen
dc.typeTrabalho apresentado em evento
dcterms.licensehttp://journals.cambridge.org/action/displaySpecialPage?pageId=4676#
dcterms.rightsHolderJ C P D S-int Centre Diffraction Data
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Química, Araraquarapt

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Artigos - Físico Química - IQ