Multi-functional properties of CaCu3Ti4O12 thin films
dc.contributor.author | Felix, A. A. [UNESP] | |
dc.contributor.author | Rupp, J. L. M. | |
dc.contributor.author | Varela, José Arana [UNESP] | |
dc.contributor.author | Orlandi, Marcelo Ornaghi [UNESP] | |
dc.contributor.institution | Universidade Estadual Paulista (Unesp) | |
dc.contributor.institution | MIT | |
dc.date.accessioned | 2014-05-20T14:18:49Z | |
dc.date.available | 2014-05-20T14:18:49Z | |
dc.date.issued | 2012-09-01 | |
dc.description.abstract | In 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.affiliation | Univ Estadual Paulista, Inst Quim, Dept Quim Fis, BR-14800900 São Paulo, Brazil | |
dc.description.affiliation | MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA | |
dc.description.affiliationUnesp | Univ Estadual Paulista, Inst Quim, Dept Quim Fis, BR-14800900 São Paulo, Brazil | |
dc.description.sponsorship | Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | |
dc.description.sponsorship | Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) | |
dc.description.sponsorship | Swiss National Research Foundation | |
dc.description.sponsorshipId | FAPESP: 09-00367-6 | |
dc.description.sponsorshipId | CNPq: 200703/2011-0 | |
dc.description.sponsorshipId | SNRF: PP00P2-138914/1 | |
dc.format.extent | 7 | |
dc.identifier | http://dx.doi.org/10.1063/1.4751344 | |
dc.identifier.citation | Journal of Applied Physics. Melville: Amer Inst Physics, v. 112, n. 5, p. 7, 2012. | |
dc.identifier.doi | 10.1063/1.4751344 | |
dc.identifier.file | WOS000309072200153.pdf | |
dc.identifier.issn | 0021-8979 | |
dc.identifier.lattes | 2305581567093057 | |
dc.identifier.uri | http://hdl.handle.net/11449/25677 | |
dc.identifier.wos | WOS:000309072200153 | |
dc.language.iso | eng | |
dc.publisher | American Institute of Physics (AIP) | |
dc.relation.ispartof | Journal of Applied Physics | |
dc.relation.ispartofjcr | 2.176 | |
dc.relation.ispartofsjr | 0,739 | |
dc.rights.accessRights | Acesso aberto | pt |
dc.source | Web of Science | |
dc.title | Multi-functional properties of CaCu3Ti4O12 thin films | en |
dc.type | Artigo | pt |
dcterms.license | http://www.aip.org/pubservs/web_posting_guidelines.html | |
dcterms.rightsHolder | Amer Inst Physics | |
dspace.entity.type | Publication | |
relation.isOrgUnitOfPublication | bc74a1ce-4c4c-4dad-8378-83962d76c4fd | |
relation.isOrgUnitOfPublication.latestForDiscovery | bc74a1ce-4c4c-4dad-8378-83962d76c4fd | |
unesp.author.lattes | 2305581567093057 | |
unesp.campus | Universidade Estadual Paulista (UNESP), Instituto de Química, Araraquara | pt |
unesp.department | Físico-Química - IQAR | pt |
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