Effect of niobium dopant on fatigue characteristics of BiFeO3 thin films grown on Pt electrodes

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dc.contributor.authorSimões, Alexandre Zirpoli [UNESP]
dc.contributor.authorPianno, R. F. [UNESP]
dc.contributor.authorAguiar, E. C. [UNESP]
dc.contributor.authorLongo, Elson [UNESP]
dc.contributor.authorVarela, José Arana [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:18:46Z
dc.date.available2014-05-20T14:18:46Z
dc.date.issued2009-06-24
dc.description.abstractPure BiFeO3 (BFO) and Nb-doped (BFN) thin films were fabricated by the soft chemical method. The films were polycrystalline when deposited on Pt/Ti/SiO2/Si substrate and annealed at 500 degrees C for 2 h. X-ray diffraction analysis revealed that the film was fully crystallized. The grain size decreased in the BFN films due the suppression of oxygen vacancy concentration in the BFO lattice. The Nb dopant is effective in improving electrical properties of BFO films. With increase niobium content we obtained thin films free of fatigue up to 10(8) cycles. (C) 2009 Published by Elsevier B.V.en
dc.description.affiliationUNESP, Inst Chem, Dept Chem Phys, BR-14800900 Araraquara, SP, Brazil
dc.description.affiliationUnespUNESP, Inst Chem, Dept Chem Phys, BR-14800900 Araraquara, SP, Brazil
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.format.extent274-279
dc.identifierhttp://dx.doi.org/10.1016/j.jallcom.2009.01.074
dc.identifier.citationJournal of Alloys and Compounds. Lausanne: Elsevier B.V. Sa, v. 479, n. 1-2, p. 274-279, 2009.
dc.identifier.doi10.1016/j.jallcom.2009.01.074
dc.identifier.issn0925-8388
dc.identifier.urihttp://hdl.handle.net/11449/25668
dc.identifier.wosWOS:000267063300069
dc.language.isoeng
dc.publisherElsevier B.V. Sa
dc.relation.ispartofJournal of Alloys and Compounds
dc.relation.ispartofjcr3.779
dc.relation.ispartofsjr1,020
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectFerroelectricsen
dc.subjectThin filmsen
dc.subjectChemical synthesisen
dc.subjectX-ray diffractionen
dc.subjectTransmission electron microscopyen
dc.titleEffect of niobium dopant on fatigue characteristics of BiFeO3 thin films grown on Pt electrodesen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V. Sa
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Química, Araraquarapt

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