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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/67058
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dc.contributor.authorGiacometti, J. A.-
dc.contributor.authorEiras, J. A.-
dc.contributor.authorLente, M.-
dc.contributor.authorTomioka, J.-
dc.contributor.authorWisniewski, C.-
dc.contributor.authorMoura, W. A.-
dc.date.accessioned2014-05-27T11:20:32Z-
dc.date.accessioned2016-10-25T18:18:09Z-
dc.date.available2014-05-27T11:20:32Z-
dc.date.available2016-10-25T18:18:09Z-
dc.date.issued2002-12-01-
dc.identifierhttp://dx.doi.org/10.1109/ISE.2002.1043019-
dc.identifier.citationProceedings - International Symposium on Electrets, p. 363-366.-
dc.identifier.urihttp://hdl.handle.net/11449/67058-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/67058-
dc.description.abstractThe pulsed electric acoustic technique, PEA, have been usually applied to probe space charge profiles in polymers. In this work we show preliminary results obtained with lead zirconate-titanate and niobium, PZTN, ferroelectric ceramic samples. Experiments showed that induced charge densities on sample electrodes are mainly due to the ferroelectric polarization of the sample. We present results of the typical PEA response and the procedure to deconvolute the signal in order to obtain the charge densities and the electric field profiles. The PEA setup allows us to show a non-uniform polarization during ferroelectric switching.en
dc.format.extent363-366-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectAcoustic wave propagation-
dc.subjectConvolution-
dc.subjectElectric field measurement-
dc.subjectElectric space charge-
dc.subjectElectrodes-
dc.subjectFerroelectric ceramics-
dc.subjectFerroelectricity-
dc.subjectLead compounds-
dc.subjectNiobium-
dc.subjectPolarization-
dc.subjectPolymers-
dc.subjectCharge density-
dc.subjectFerroelectric polarization-
dc.subjectFerroelectric switching-
dc.subjectLead zirconate-titanate-
dc.subjectNon-uniform polarization-
dc.subjectPulsed electric acoustic technique-
dc.subjectAcoustoelectric effects-
dc.titleThe use of pulsed electric acoustic technique for measuring electric field profiles in ferroelectric ceramicen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)-
dc.contributor.institutionLACTEC-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.description.affiliationFaculdade de Ciencias e Tecnologia Universidade Estadual Paulista, CP 467, 19060-900, Presidente Prudente, SP-
dc.description.affiliationDepartamento de Fisica Universidade Federal de Sao Carlos, São Carlos-
dc.description.affiliationLab. Ctrl. de Pesquisa e Desenvol. LACTEC, Curitiba, PR-
dc.description.affiliationInstituto de Fisica de Sao Carlos Universidade de Sao Paulo, Sao Paulo, SP-
dc.description.affiliationUnespFaculdade de Ciencias e Tecnologia Universidade Estadual Paulista, CP 467, 19060-900, Presidente Prudente, SP-
dc.identifier.doi10.1109/ISE.2002.1043019-
dc.identifier.wosWOS:000179971700089-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofProceedings - International Symposium on Electrets-
dc.identifier.scopus2-s2.0-0036957943-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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