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Dielectric properties of Pb Nb2 O6 ferroelectric ceramics at cryogenic temperatures

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dc.contributor.authorDe Los, J. [UNESP]
dc.contributor.authorVenet, M.
dc.contributor.authorGarcia, D.
dc.contributor.authorEiras, J. A.
dc.contributor.authorGuerrero, F.
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidad de Oriente
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:22:33Z
dc.date.available2014-05-27T11:22:33Z
dc.date.issued2007-08-17
dc.description.abstractComplex dielectric permittivity measurements in Pb Nb2 O6 ceramics were performed in a frequency and temperature range of 1 kHz-1 MHz and from 15 to 900 K, respectively. The results revealed two dielectric anomalies showing typical characteristics of relaxor ferroelectric materials at cryogenic temperatures. Comparison with other tetragonal tungsten bronze (TTB) structure-type materials suggests the existence of successive phase transitions, which until now were not reported. The observed low temperature dielectric behaviors seem to be due to intrinsic physical characteristics related to the TTB structure. © 2007 American Institute of Physics.en
dc.description.affiliationGrupo de Cerâmicas Ferroeĺtricas Departamento de Física Universidade Federal de São Carlos, Sao Carlos, SP 15385000
dc.description.affiliationFacultad de Ciencias Naturales Departamento de Física Universidad de Oriente, C.P. 90500, Santiago de Cuba
dc.description.affiliationDepartamento de Física e Química Universidade Estadual Paulista, Ilha Solteira, SP 15385-000
dc.description.affiliationUnespDepartamento de Física e Química Universidade Estadual Paulista, Ilha Solteira, SP 15385-000
dc.identifierhttp://dx.doi.org/10.1063/1.2769765
dc.identifier.citationApplied Physics Letters, v. 91, n. 6, 2007.
dc.identifier.doi10.1063/1.2769765
dc.identifier.file2-s2.0-34547838694.pdf
dc.identifier.issn0003-6951
dc.identifier.scopus2-s2.0-34547838694
dc.identifier.urihttp://hdl.handle.net/11449/69821
dc.language.isoeng
dc.relation.ispartofApplied Physics Letters
dc.relation.ispartofjcr3.495
dc.relation.ispartofsjr1,382
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectLead compounds
dc.subjectNatural frequencies
dc.subjectPermittivity
dc.subjectPhase transitions
dc.subjectCryogenic temperatures
dc.subjectDielectric anomalies
dc.subjectDielectric permittivity measurements
dc.subjectTemperature range
dc.subjectFerroelectric ceramics
dc.titleDielectric properties of Pb Nb2 O6 ferroelectric ceramics at cryogenic temperaturesen
dc.typeArtigo
dcterms.licensehttp://publishing.aip.org/authors/web-posting-guidelines
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Engenharia, Ilha Solteirapt
unesp.departmentFísica e Química - FEISpt

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