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dc.typeArtigo de eventopt_BR
dc.titleGas And Pressure Sensors Based On Multi-wall Carbon Nanotubes: Study Of Sensing Mechanismspt_BR
dc.contributor.authorGelamo R.V.pt_BR
dc.contributor.authorRouxinol F.P.pt_BR
dc.contributor.authorVerissimo C.pt_BR
dc.contributor.authorDe Bica Moraes M.A.pt_BR
dc.contributor.authorMoshkalev S.A.pt_BR
unicamp.authorGelamo, R.V., Center for Semiconductor Components, University of Campinas-UNICAMP, P.O. Box 6061, 13083-870, Campinas, SP, Brazil, Universidade Federal do Triângulo Mineiro, UFTM, 38025-180, Uberaba, MG, Brazilpt_BR
unicamp.authorRouxinol, F.P., Center for Semiconductor Components, University of Campinas-UNICAMP, P.O. Box 6061, 13083-870, Campinas, SP, Brazilpt_BR
unicamp.authorVerissimo, C., Center for Semiconductor Components, University of Campinas-UNICAMP, P.O. Box 6061, 13083-870, Campinas, SP, Brazilpt_BR
unicamp.authorDe Bica Moraes, M.A., Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas-UNICAMP, São Paulo, 13083-970, Campinas, SP, Brazilpt_BR
unicamp.authorMoshkalev, S.A., Center for Semiconductor Components, University of Campinas-UNICAMP, P.O. Box 6061, 13083-870, Campinas, SP, Brazilpt_BR
dc.description.abstractMechanisms of gas sensing in sensors based on multi-wall carbon nanotubes decorated by Ti nanoparticles have been studied. Tests were performed with N 2, Ar and O 2 at low temperatures. Chemi-resistor sensor configurations with supported and suspended nanotubes were tested. Contributions from two gas sensing mechanisms (chemical and electrothermal) were shown to depend strongly on a sensor configuration. For suspended nanotubes, their heating by Joule effect results in much stronger and faster sensor response to oxygen. Oxygen detection with high sensitivity in this case was achieved at room temperature. Copyright © 2010 American Scientific Publishers All rights reserved.en
dc.relation.ispartofSensor Letterspt_BR
dc.identifier.citationSensor Letters. , v. 8, n. 3, p. 488 - 492, 2010.pt_BR
dc.description.provenanceMade available in DSpace on 2015-06-26T12:41:22Z (GMT). No. of bitstreams: 0 Previous issue date: 2010en
dc.description.provenanceMade available in DSpace on 2015-11-26T15:28:52Z (GMT). No. of bitstreams: 0 Previous issue date: 2010en
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