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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/25388
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dc.contributor.authorCava, S.-
dc.contributor.authorTebcherani, S. M.-
dc.contributor.authorSouza, I. A.-
dc.contributor.authorPianaro, S. A.-
dc.contributor.authorPaskocimas, C. A.-
dc.contributor.authorLongo, Elson-
dc.contributor.authorVarela, José Arana-
dc.date.accessioned2014-05-20T14:17:57Z-
dc.date.accessioned2016-10-25T17:40:15Z-
dc.date.available2014-05-20T14:17:57Z-
dc.date.available2016-10-25T17:40:15Z-
dc.date.issued2007-06-15-
dc.identifierhttp://dx.doi.org/10.1016/j.matchemphys.2007.02.046-
dc.identifier.citationMaterials Chemistry and Physics. Lausanne: Elsevier B.V. Sa, v. 103, n. 2-3, p. 394-399, 2007.-
dc.identifier.issn0254-0584-
dc.identifier.urihttp://hdl.handle.net/11449/25388-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/25388-
dc.description.abstractNanocrystalline Al(2)O(3)powders have been synthesized by the polymeric precursor method. A study of the evolution of crystalline phases of obtained powders was accomplished through X-ray diffraction, micro-Raman spectroscopy and refinement of the structures through the Rietveld method. The results obtained allow the identification of three steps on the gamma-Al2O3 to alpha-Al2O3 phase transition. The single-phase alpha-Al2O3 Powder was obtained after heat-treatment at 1050 degrees C for 2 h. A study of the morphology of the particles was accomplished through measures of crystallite size, specific surface area and transmission electronic microscopy. The particle size is closely related to gamma-Al2O3 to alpha-Al2O3 phase transition. (c) 2007 Elsevier B.V. All rights reserved.en
dc.format.extent394-399-
dc.language.isoeng-
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjectAl2O3pt
dc.subjectphase transitionpt
dc.subjectpolymeric precursor methodpt
dc.subjectnanopowderspt
dc.subjectmicro-Raman spectroscopypt
dc.subjectcrystallite sizept
dc.titleStructural characterization of phase transition of Al2O3 nanopowders obtained by polymeric precursor methoden
dc.typeoutro-
dc.contributor.institutionUniv Estadual de Ponta Grossa-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade Federal do Rio Grande do Norte (UFRN)-
dc.description.affiliationUniv Estadual de Ponta Grossa, Lab Interdisciplinar Mat Ceram, Ctr Interdisciplinar Pesquisa & Posgraduacao, BR-84035900 Ponta Grossa, PR, Brazil-
dc.description.affiliationUniv Estadual Paulista, Lab Interdisciplinar Ceram, Dept Quim Fis, Inst Quim, Araraquara, SP, Brazil-
dc.description.affiliationUniv Fed Rio Grande do Norte, Dept Eng Mecan, BR-59072970 Natal, RN, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, Lab Interdisciplinar Ceram, Dept Quim Fis, Inst Quim, Araraquara, SP, Brazil-
dc.identifier.doi10.1016/j.matchemphys.2007.02.046-
dc.identifier.wosWOS:000247715300032-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofMaterials Chemistry and Physics-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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