Publication: Crecimiento y caracterización de micro y nanoestructuras de
óxidos de hierro y estaño (Growth and characterization of iron and tin oxides micro and nanostructures)
dc.contributor.advisor | Díaz-Guerra Viejo, Carlos | |
dc.contributor.author | Jerez Delgado, Diana | |
dc.date.accessioned | 2023-06-20T06:12:15Z | |
dc.date.available | 2023-06-20T06:12:15Z | |
dc.date.issued | 2012 | |
dc.description | Máster de Física Aplicada. Facultad de Ciencias Físicas. Curso 211-2012 | |
dc.description.abstract | En este trabajo se han obtenido nanoestructuras monocristalinas de α-Fe_2O_3 (hematite)y SnO_2 por oxidación térmica del correspondiente elemento metálico, analizándose sus propiedades estructurales, composicionales y luminiscentes mediante un conjunto de técnicas de caracterización que incluye microscopía electrónica de barrido y transmisión, microanálisis de rayos X, espectroscopia Raman, difracción de rayos X y fotoluminiscencia. Además, se ha investigado la posibilidad de dopar las nanoestructuras de hematite con Sn y las de SnO_2 con hierro. Se demuestra, mediante magnetometría SQUID, el dopado efectivo de nanohilos de SnO_2 con Fe. Así mismo, se demuestra la posibilidad de obtener heteroestructuras SnO_2-Fe_2O_3, investigándose su mecanismo de crecimiento y algunas de sus propiedades físicas.[ABSTRACT] In this work, α-Fe_2O_3 (hematite) and SnO_2 nanostructures have been grown by thermal oxidation of the corresponding metallic element. Their structural, compositional and luminescence properties have been assessed by a set of complementary characterization techniques including scanning and transmission electron microscopy, energy dispersive x-ray microanalysis, x-ray diffraction, Raman spectroscopy and photoluminescence. Doping of hematite nanostructures with Sn as well as doping of SnO_2 nanostructures with iron has been also studied. SQUID measurements reveal effective iron incorporation into SnO_2 nanowires. The growth and of SnO_2-Fe_2O_3 heterostructures has been also accomplished, and some of their physical properties investigated. | |
dc.description.department | Depto. de Física de Materiales | |
dc.description.faculty | Fac. de Ciencias Físicas | |
dc.description.refereed | TRUE | |
dc.description.status | unpub | |
dc.eprint.id | https://eprints.ucm.es/id/eprint/16499 | |
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dc.identifier.uri | https://hdl.handle.net/20.500.14352/46470 | |
dc.language.iso | spa | |
dc.page.total | 39 | |
dc.rights.accessRights | open access | |
dc.subject.cdu | 620.18 | |
dc.subject.keyword | Hematite | |
dc.subject.keyword | SnO_2 | |
dc.subject.keyword | Nanoestructuras Dopadas | |
dc.subject.keyword | Difusión Superficial | |
dc.subject.keyword | Crecimiento Vapor-Sólido | |
dc.subject.keyword | Espectroscopia Raman | |
dc.subject.keyword | Fotoluminiscencia | |
dc.subject.keyword | Doped Nanostructures | |
dc.subject.keyword | Surface Diffusion | |
dc.subject.keyword | Vapor-Solid Growth | |
dc.subject.keyword | Raman Spectroscopy | |
dc.subject.keyword | Photoluminescence | |
dc.subject.ucm | Física de materiales | |
dc.title | Crecimiento y caracterización de micro y nanoestructuras de óxidos de hierro y estaño (Growth and characterization of iron and tin oxides micro and nanostructures) | |
dc.type | master thesis | |
dspace.entity.type | Publication | |
relation.isAdvisorOfPublication | b1b44979-3a0d-45d7-aa26-a64b0dbfee18 | |
relation.isAdvisorOfPublication.latestForDiscovery | b1b44979-3a0d-45d7-aa26-a64b0dbfee18 |
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