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Morphology of alumina: a comparison between infrared spectroscopy and X-ray diffractometry

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dc.contributor.authorVaranda, L. C.
dc.contributor.authorJafelicci, M.
dc.contributor.authorMagnani, R.
dc.contributor.authorDavolos, Marian Rosaly [UNESP]
dc.contributor.authorSigoli, F. A.
dc.contributor.authorMarques, RFC
dc.contributor.authorGodoi, RHM
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:23:02Z
dc.date.available2014-05-20T15:23:02Z
dc.date.issued1999-05-01
dc.description.abstractMorphology of three samples of alumina are investigated. Infrared spectra are analysed by use of their morphology through the theory of average dielectric constant. Crystal shape is obtained from X-ray diffraction patterns by reflection intensity ratio. In the case of electron scanning microscopy, shape factor was obtained by an average axial ratio of the particles. Comparison of results show that there is agreement among these techniques and infrared spectra can be used to determine the morphology of alumina particles from 2.7 to 10 mu m, even for heterogeneous samples. (C) 1999 Elsevier B.V. B.V. All rights reserved.en
dc.description.affiliationUNESP, São Paulo State Univ, Inst Chem, BR-14801970 Araraquara, SP, Brazil
dc.description.affiliationUnespUNESP, São Paulo State Univ, Inst Chem, BR-14801970 Araraquara, SP, Brazil
dc.format.extent227-231
dc.identifierhttp://dx.doi.org/10.1016/S0022-3093(99)00075-7
dc.identifier.citationJournal of Non-crystalline Solids. Amsterdam: Elsevier B.V., v. 247, p. 227-231, 1999.
dc.identifier.doi10.1016/S0022-3093(99)00075-7
dc.identifier.issn0022-3093
dc.identifier.lattes4284809342546287
dc.identifier.lattes2115942621694174
dc.identifier.urihttp://hdl.handle.net/11449/33900
dc.identifier.wosWOS:000080506900040
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofJournal of Non-Crystalline Solids
dc.relation.ispartofjcr2.488
dc.relation.ispartofsjr0,722
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleMorphology of alumina: a comparison between infrared spectroscopy and X-ray diffractometryen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.author.lattes4284809342546287
unesp.author.lattes2115942621694174
unesp.author.orcid0000-0001-8326-1465[4]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentQuímica Inorgânica - IQARpt

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Araraquara - IQAR - Instituto de Química