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dc.contributor.authorMesquita, A.-
dc.contributor.authorMichalowicz, A.-
dc.contributor.authorPizani, P. S.-
dc.contributor.authorProvost, K.-
dc.contributor.authorMastelaro, V. R.-
dc.date.accessioned2014-05-27T11:30:53Z-
dc.date.accessioned2016-10-25T18:55:09Z-
dc.date.available2014-05-27T11:30:53Z-
dc.date.available2016-10-25T18:55:09Z-
dc.date.issued2014-01-01-
dc.identifierhttp://dx.doi.org/10.1016/j.jallcom.2013.08.130-
dc.identifier.citationJournal of Alloys and Compounds, v. 582, p. 680-687.-
dc.identifier.issn0925-8388-
dc.identifier.urihttp://hdl.handle.net/11449/76932-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/76932-
dc.description.abstractThis paper reports on the structural characterization of Pb 1-xLaxZr0.40Ti0.60O3 (PLZT) ferroelectric ceramic compositions prepared by the conventional solid state reaction method. X-ray absorption spectroscopy (XAS) and Raman spectroscopy were used to probe the local structure of PLZT samples that exhibits a normal and relaxor ferroelectric behavior. From the Zr K-edge and Pb LIII-edge EXAFS spectra, a considerable dissymmetry of Zr and Pb sites was observed in all samples, including those showing a long-range order cubic symmetry and a relaxor behavior. The Raman spectroscopy results confirmed the existence of a local disorder in all PLZT samples through the observation of Raman active vibrational modes. The variation in the intensity of the E(TO 3) mode in the PLZT relaxor samples indicates that the process of correlation between nanodomains stabilizes at temperatures lower than T m. © 2013 Elsevier B.V. All rights reserved.en
dc.format.extent680-687-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectEXAFS-
dc.subjectFerroelectrics-
dc.subjectPLZT-
dc.subjectRaman-
dc.subjectRelaxor-
dc.subjectLong range orders-
dc.subjectPlzt-
dc.subjectRelaxor ferroelectric-
dc.subjectRelaxors-
dc.subjectSolid state reaction method-
dc.subjectStructural characterization-
dc.subjectFerroelectric materials-
dc.subjectRaman spectroscopy-
dc.subjectSolid state reactions-
dc.subjectX ray absorption spectroscopy-
dc.subjectZirconium-
dc.subjectLead-
dc.titleLocal order of Pb1-xLaxZr0.40Ti 0.60O3 ferroelectric ceramic materials probed by X-ray absorption and Raman spectroscopiesen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionCNRS and Universit Paris Est Crteil-
dc.contributor.institutionUniversidade Federal de So Carlos-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.description.affiliationDepartamento de Fsica Instituto de Geocincias e Cincias Exatas Universidade Estadual Paulista, Rio-Claro, SP-
dc.description.affiliationInstitut de Chimie et des Materiaux Paris Est CNRS and Universit Paris Est Crteil, 94320 Thiais-
dc.description.affiliationDepartamento de Fsica Universidade Federal de So Carlos, So-Carlos, SP-
dc.description.affiliationInstituto de Fsica de So Carlos Universidade de So Paulo, SP-
dc.description.affiliationUnespDepartamento de Fsica Instituto de Geocincias e Cincias Exatas Universidade Estadual Paulista, Rio-Claro, SP-
dc.identifier.doi10.1016/j.jallcom.2013.08.130-
dc.identifier.wosWOS:000325468100111-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Alloys and Compounds-
dc.identifier.scopus2-s2.0-84883727521-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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