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dc.contributor.authorChampi, A.-
dc.contributor.authorBazan Aguilar, A.-
dc.contributor.authorCamilo, M.-
dc.contributor.authorQuintana, María-
dc.creatorQuintana, María-
dc.creatorQuintana, María-
dc.date.accessioned2017-07-03T17:09:43Z-
dc.date.available2017-07-03T17:09:43Z-
dc.date.issued2016-02-
dc.identifier.issn22147853-
dc.identifier.urihttp://hdl.handle.net/20.500.14076/3545-
dc.description.abstractSpherical iron oxide nanostructures (FexOy NPs) are obtained by laser ablation technique, which are formed primarily by α-hematite (α- Fe2O3), γ-hematite (γ-Fe2O3) and goethite (FeOOH) phases, the dimensions of which are among the 30-60 nm by using the Scanning Electronic Mycroscope (SEM) analysis. These were incorporated superficially on graphite microflakes (MFG, microflakes of graphite) and / or a few layers of graphene microflakes (FLG, few-layer graphene), through a thermal process, in order to observe their influence on the electro-optical properties on MFG and FLG, tested by Raman microspectroscopy, we detect a correlation of Raman shifts before and after doping. This is explained as a change in the dispersion of two phonons at the edges of the C-C chains forming the FLG against the formation of surface defects due to interaction with FexOy NPs after insertion. Finally, a study of the position, the FWHM, the ration between the intensities and the areas of the G and 2D bands was made in all samples with two Raman lasers (λ = 534 nm and 422 nm).es
dc.formatapplication/pdfes
dc.language.isoenges
dc.publisherElsevier Ltdes
dc.relation.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84963631812&doi=10.1016%2fj.matpr.2016.02.036&partnerID=40&md5=7a4fea68435fdcff9f07c9e10558f1b8es
dc.rightsinfo:eu-repo/semantics/restrictedAccesses
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/es
dc.sourceUniversidad Nacional de Ingenieríaes
dc.sourceRepositorio Institucional - UNIes
dc.subjectIron oxides nanoparticleses
dc.subjectGraphitees
dc.subjectFew-layers graphenees
dc.subjectEPRes
dc.subjectRamanes
dc.titleInfluence of the iron oxide nanoparticles on the electro-optical properties of graphite and few-layers graphenees
dc.typeinfo:eu-repo/semantics/articlees
dc.identifier.journalMaterials Today: Proceedingses
dc.identifier.doi10.1016/j.matpr.2016.02.036es
dc.contributor.emailana.champi@ufabc.edu.bres
Aparece en las colecciones: Instituto General de Investigación (IGI)



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