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dc.contributor.authorArchanjo, Braulio Soarespt_BR
dc.contributor.authorFernández Siles, Pablo Robertopt_BR
dc.contributor.authorOliveira, Camilla K. B. Q. M.pt_BR
dc.contributor.authorBaptista, Daniel Lorscheitterpt_BR
dc.contributor.authorNeves, Bernardo Ruegger Almeidapt_BR
dc.date.accessioned2014-03-26T01:51:06Zpt_BR
dc.date.issued2013pt_BR
dc.identifier.issn1687-8434pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/89697pt_BR
dc.description.abstractThiswork reports on nanoscale and microscalemetal oxide gas sensors, consisting ofmetal-semiconductor-metal barriers designed via scanning probe microscopy. Two distinctmetal oxides, molybdenum and titaniumoxides, were tested at different temperatures using CO2 and H2 as test gases. Sensitivities down to ppm levels are demonstrated, and the influence of dry and humid working atmospheres on these metal oxide conductivities was studied. Furthermore, the activation energy was evaluated and analyzed within working sensor temperature range. Finally, full morphological, chemical, and structural analyses of the oxides composites are provided allowing their identification as MoO3 and TiO2−𝑥x.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofAdvances in materials science and engineering. New York. Vol. 2013 (2013), 898565, 13pt_BR
dc.rightsOpen Accessen
dc.subjectAnodizaçãopt_BR
dc.subjectNanopartículaspt_BR
dc.subjectMicrofabricaçãopt_BR
dc.subjectNanofabricaçãopt_BR
dc.subjectNanocompósitospt_BR
dc.subjectSensibilidade (Física)pt_BR
dc.subjectMicroscopia de força atômicapt_BR
dc.subjectCompostos de titâniopt_BR
dc.subjectCompostos de molibdêniopt_BR
dc.titleCharacterization of metal oxide-based gas nanosensors and microsensors fabricated via local anodic oxidation using atomic force microscopypt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000908994pt_BR
dc.type.originEstrangeiropt_BR


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