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dc.contributor.authorSantos, I. A.-
dc.contributor.authorGuerra, J. de Los S.-
dc.contributor.authorAraujo, E. B.-
dc.contributor.authorMendes, R. G.-
dc.contributor.authorEiras, J. A.-
dc.identifier.citationJournal of Physics-condensed Matter. Bristol: Iop Publishing Ltd, v. 20, n. 13, p. 4, 2008.-
dc.description.abstractThe AC electric field and temperature dependences of the dielectric permittivity for strontium barium niobate (Sr(0.75)Ba(0.25)Nb(2)O(6)) relaxor ferroelectric thin films have been investigated. The results indicate the existence of a true mesoscopic structure evidenced by the nonlinear dielectric response of these films, which is similar to those observed for bulk relaxor ferroelectrics. A tendency for a temperature dependent crossover from a linear to a quadratic behaviour of the dielectric nonlinearity was observed, indicating an evolution from paraelectric to glass-like behaviour on cooling the samples towards the freezing temperature transition.en
dc.publisherIop Publishing Ltd-
dc.sourceWeb of Science-
dc.titleMesoscopic structure evidenced by AC dielectric nonlinearities in Sr(0.75)Ba(0.25)Nb(2)O(6) relaxor ferroelectric thin filmsen
dc.contributor.institutionUniversidade Estadual de Maringá (UEM)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)-
dc.description.affiliationUniversidade Estadual de Maringá (UEM), Dept Fis, BR-87020900 Maringa, PR, Brazil-
dc.description.affiliationUniv Estadual Paulista, Dept Quim Fis, BR-15385000 Solteira, SP, Brazil-
dc.description.affiliationUniversidade Federal de São Carlos (UFSCar), Dept Fis, BR-13565905 São Carlos, SP, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, Dept Quim Fis, BR-15385000 Solteira, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Physics: Condensed Matter-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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