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Multi-functional properties of CaCu3Ti4O12 thin films

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dc.contributor.authorFelix, A. A. [UNESP]
dc.contributor.authorRupp, J. L. M.
dc.contributor.authorVarela, José Arana [UNESP]
dc.contributor.authorOrlandi, Marcelo Ornaghi [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionMIT
dc.date.accessioned2014-05-20T14:18:49Z
dc.date.available2014-05-20T14:18:49Z
dc.date.issued2012-09-01
dc.description.abstractIn this work, electric transport properties of CaCu3Ti4O12 (CCTO) thin films were investigated for resistive switching, rectifying and gas sensor applications. Single phase CCTO thin films were produced by polymeric precursor method (PPM) on different substrates and their electrical properties were studied. Films produced on LNO/Si substrates have symmetrical non-ohmic current-voltage characteristics, while films deposited on Pt/Si substrates have a highly asymmetrical non-ohmic behavior which is related to a metal-semiconductor junction formed at the CCTO/Pt interface. In addition, results confirm that CCTO has a resistive switching response which is enhanced by Schottky contacts. Sensor response tests revealed that CCTO films are sensitive to oxygen gas and exhibit n-type conductivity. These results demonstrate the versatility of CCTO thin film prepared by the PPM method for gas atmosphere or bias dependent resistance applications. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4751344]en
dc.description.affiliationUniv Estadual Paulista, Inst Quim, Dept Quim Fis, BR-14800900 São Paulo, Brazil
dc.description.affiliationMIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, Dept Quim Fis, BR-14800900 São Paulo, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipSwiss National Research Foundation
dc.description.sponsorshipIdFAPESP: 09-00367-6
dc.description.sponsorshipIdCNPq: 200703/2011-0
dc.description.sponsorshipIdSNRF: PP00P2-138914/1
dc.format.extent7
dc.identifierhttp://dx.doi.org/10.1063/1.4751344
dc.identifier.citationJournal of Applied Physics. Melville: Amer Inst Physics, v. 112, n. 5, p. 7, 2012.
dc.identifier.doi10.1063/1.4751344
dc.identifier.fileWOS000309072200153.pdf
dc.identifier.issn0021-8979
dc.identifier.lattes2305581567093057
dc.identifier.urihttp://hdl.handle.net/11449/25677
dc.identifier.wosWOS:000309072200153
dc.language.isoeng
dc.publisherAmerican Institute of Physics (AIP)
dc.relation.ispartofJournal of Applied Physics
dc.relation.ispartofjcr2.176
dc.relation.ispartofsjr0,739
dc.rights.accessRightsAcesso abertopt
dc.sourceWeb of Science
dc.titleMulti-functional properties of CaCu3Ti4O12 thin filmsen
dc.typeArtigopt
dcterms.licensehttp://www.aip.org/pubservs/web_posting_guidelines.html
dcterms.rightsHolderAmer Inst Physics
dspace.entity.typePublication
relation.isOrgUnitOfPublicationbc74a1ce-4c4c-4dad-8378-83962d76c4fd
relation.isOrgUnitOfPublication.latestForDiscoverybc74a1ce-4c4c-4dad-8378-83962d76c4fd
unesp.author.lattes2305581567093057
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentFísico-Química - IQARpt

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Araraquara - IQAR - Instituto de Química