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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/74591
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dc.contributor.authorÁvila, H. A.-
dc.contributor.authorRamajo, L. A.-
dc.contributor.authorGóes, M. S.-
dc.contributor.authorReboredo, M. M.-
dc.contributor.authorCastro, M. S.-
dc.contributor.authorParra, R.-
dc.date.accessioned2014-05-27T11:28:27Z-
dc.date.accessioned2016-10-25T18:44:31Z-
dc.date.available2014-05-27T11:28:27Z-
dc.date.available2016-10-25T18:44:31Z-
dc.date.issued2013-02-13-
dc.identifierhttp://dx.doi.org/10.1021/am302646z-
dc.identifier.citationACS Applied Materials and Interfaces, v. 5, n. 3, p. 505-510, 2013.-
dc.identifier.issn1944-8244-
dc.identifier.issn1944-8252-
dc.identifier.urihttp://hdl.handle.net/11449/74591-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/74591-
dc.description.abstractComposite materials made of epoxy resin and barium titanate (BT) electrospun nanostructured fibers were prepared. BT fibers were synthesized from a sol based on barium acetate, titanium isopropoxide, and poly(vinyl pyrrolidone). The fibers were heat-treated at different temperatures and characterized by X-ray diffraction, scanning electron microscopy (SEM), and Raman spectroscopy. Mats of BT fibers heat-treated at 800 C were embedded in epoxy resin into suitable molds. The composites were characterized by SEM, and dielectric measurements were performed by means of dielectric spectroscopy. The dielectric permittivity and dielectric modulus of epoxy resin/BT-fiber composites were measured for two types of samples: with the electrodes parallel and perpendicular to the BT fiber layers. Interestingly, composite samples with electrodes perpendicular to the fiber layers and a BT content as low as 2 vol % led to dielectric permittivities three times higher than that of pure epoxy resin. © 2013 American Chemical Society.en
dc.format.extent505-510-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectBaTiO3-
dc.subjectcomposites-
dc.subjectdielectric permittivity-
dc.subjectelectrospinning-
dc.subjectepoxy resin-
dc.subjectBatio-
dc.subjectComposite samples-
dc.subjectDielectric behavior-
dc.subjectDielectric measurements-
dc.subjectDielectric modulus-
dc.subjectDielectric permittivities-
dc.subjectElectrospuns-
dc.subjectNanostructured ceramic-
dc.subjectNanostructured fibers-
dc.subjectPoly vinyl pyrrolidone-
dc.subjectTitanium Isopropoxide-
dc.subjectBarium titanate-
dc.subjectCeramic fibers-
dc.subjectComposite materials-
dc.subjectElectrodes-
dc.subjectElectrospinning-
dc.subjectFibers-
dc.subjectPermittivity-
dc.subjectRaman spectroscopy-
dc.subjectResins-
dc.subjectScanning electron microscopy-
dc.subjectSols-
dc.subjectX ray diffraction-
dc.subjectEpoxy resins-
dc.subjectBarium Compounds-
dc.subjectCeramic Fibers-
dc.subjectComposites-
dc.subjectDielectric Constant-
dc.subjectDielectric Properties-
dc.subjectPolyepoxides-
dc.subjectRaman Spectroscopy-
dc.subjectScanning Electron Microscopy-
dc.subjectX Ray Diffraction-
dc.titleDielectric behavior of epoxy/BaTiO3 composites using nanostructured ceramic fibers obtained by electrospinningen
dc.typeoutro-
dc.contributor.institutionUNMdP-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationInstituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA) CONICET UNMdP, J. B. Justo 4302, B7608FDQ - Mar del Plata-
dc.description.affiliationInstituto de Química UNESP, Rua F. Degni s/n, 14800 - Araraquara-
dc.description.affiliationUnespInstituto de Química UNESP, Rua F. Degni s/n, 14800 - Araraquara-
dc.identifier.doi10.1021/am302646z-
dc.identifier.wosWOS:000315079700007-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofACS Applied Materials and Interfaces-
dc.identifier.scopus2-s2.0-84873631816-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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