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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/66563
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dc.contributor.authorSouza Filho, A. G.-
dc.contributor.authorFaria, J. L B-
dc.contributor.authorFreire, P. T C-
dc.contributor.authorAyala, A. P.-
dc.contributor.authorSasaki, J. M.-
dc.contributor.authorMelo, F. E A-
dc.contributor.authorMendes Filho, J.-
dc.contributor.authorAraújo, E. B.-
dc.contributor.authorEiras, J. A.-
dc.date.accessioned2014-05-27T11:20:17Z-
dc.date.accessioned2016-10-25T18:17:08Z-
dc.date.available2014-05-27T11:20:17Z-
dc.date.available2016-10-25T18:17:08Z-
dc.date.issued2001-08-20-
dc.identifierhttp://dx.doi.org/10.1088/0953-8984/13/33/311-
dc.identifier.citationJournal of Physics Condensed Matter, v. 13, n. 33, p. 7305-7314, 2001.-
dc.identifier.issn0953-8984-
dc.identifier.urihttp://hdl.handle.net/11449/66563-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/66563-
dc.description.abstractA Raman study of structural changes in the Zr-rich PbZr1-x TixO3 (PZT) system under hydrostatic pressures up to 5.0 GPa is presented. We observe that externally applied pressure induces several phase transitions in PZT ceramics among phases with orthorhombic (Ao), rhombohedral low-temperature (RLT), and rhombohedral high-temperature (RHT) symmetries (all found in PZT at ambient pressure and room temperature). Each of the compositions investigated (0.02 ≤ x ≤ 0.14) exhibits a high-pressure phase with orthorhombic (OI′) symmetry. We further report a detailed study of the pressure dependence of Raman frequencies to elucidate the phase transitions and to provide a set of pressure coefficients for the high-pressure phases.en
dc.format.extent7305-7314-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectHydrostatic pressure-
dc.subjectLead compounds-
dc.subjectPhase diagrams-
dc.subjectPhase transitions-
dc.subjectRaman spectroscopy-
dc.subjectThermal effects-
dc.subjectZirconium-
dc.subjectLead titanate zirconate (PZT)-
dc.subjectCeramic materials-
dc.titlePressure-induced phase transitions in Zr-rich PbZr1-xTixO3 ceramicsen
dc.typeoutro-
dc.contributor.institutionUniversidade Federal do Ceará (UFC)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)-
dc.description.affiliationDepartamento de Física Universidade Federal do Ceará Campus do Pici, Caixa Postal 6030, 60455-760 Fortaleza, Ceará-
dc.description.affiliationDepartamento de Física e Química Universidade Estadual de São Paulo Campus de Ilha Solteira, 12385 Ilha Solteira, SP-
dc.description.affiliationDepartamento de Física Universidade Federal de São Carlos, Caixa Postal 676, 13565-670 São Carlos, SP-
dc.description.affiliationUnespDepartamento de Física e Química Universidade Estadual de São Paulo Campus de Ilha Solteira, 12385 Ilha Solteira, SP-
dc.identifier.doi10.1088/0953-8984/13/33/311-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Physics: Condensed Matter-
dc.identifier.scopus2-s2.0-0035920581-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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