Red shift and higher photoluminescence emission of CCTO thin films undergoing pressure treatment

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dc.contributor.authorSequinel, T. [UNESP]
dc.contributor.authorGarcia, I. G. [UNESP]
dc.contributor.authorTebcherani, S. M.
dc.contributor.authorKubaski, E. T.
dc.contributor.authorOliveira, L. H. [UNESP]
dc.contributor.authorSiu Li, M.
dc.contributor.authorLongo, Elson [UNESP]
dc.contributor.authorVarela, José Arana [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUTFPR
dc.contributor.institutionItajara Minérios Ltda.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionState University of Ponta Grossa
dc.date.accessioned2014-05-27T11:30:53Z
dc.date.available2014-05-27T11:30:53Z
dc.date.issued2014-01-01
dc.description.abstractCCTO thin films were deposited on Pt(1 1 1)/Ti/SiO2/Si substrates using a chemical (polymeric precursor) and pressure method. Pressure effects on CCTO thin films were evaluated by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM) and optical properties which revealed that a pressure film (PF) is denser and more homogeneous than a chemical film (CF). Pressure also causes a decrease in the band gap and an increase in the photoluminescence (PL) emission of CCTO films which suggests that the pressure facilitates the displacement of Ti in the titanate clusters and the charge transference from TiO6 to [TiO5V0z], [TiO5V0z] to [CaO11V0z] and [TiO5V0z] to [CuO4]x. © 2013 Elsevier B.V. All rights reserved.en
dc.description.affiliationInstituto de Química UNESP, Rua Prof. Francisco Degni 55, 14800-900 Araraquara, SP
dc.description.affiliationDepartamento de Engenharia de Produção UTFPR, Av. Monteiro Lobato, s/n - Km 04, 84016-210 Ponta Grossa, PR
dc.description.affiliationItajara Minérios Ltda., Rua Balduíno Taques 170, 84010-050 Ponta Grossa, PR
dc.description.affiliationInstituto de Física USP, Av. Trabalhador são-carlense, 400, 13566-590 São Carlos, SP
dc.description.affiliationState University of Ponta Grossa, Av. General Carlos Cavalcanti 4748, 84030-900 Ponta Grossa, PR
dc.description.affiliationUnespInstituto de Química UNESP, Rua Prof. Francisco Degni 55, 14800-900 Araraquara, SP
dc.format.extent488-491
dc.identifierhttp://dx.doi.org/10.1016/j.jallcom.2013.08.210
dc.identifier.citationJournal of Alloys and Compounds, v. 583, p. 488-491.
dc.identifier.doi10.1016/j.jallcom.2013.08.210
dc.identifier.issn0925-8388
dc.identifier.scopus2-s2.0-84884510764
dc.identifier.urihttp://hdl.handle.net/11449/76933
dc.identifier.wosWOS:000326035200083
dc.language.isoeng
dc.relation.ispartofJournal of Alloys and Compounds
dc.relation.ispartofjcr3.779
dc.relation.ispartofsjr1,020
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.subjectCCTO
dc.subjectPhotoluminescence
dc.subjectPressure method
dc.subjectThin films
dc.titleRed shift and higher photoluminescence emission of CCTO thin films undergoing pressure treatmenten
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Química, Araraquarapt

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