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Assessment of waveguiding properties of gallium oxide nanostructures by angle resolved cathodoluminescence in a scanning electron microscope

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dc.contributor.authorNogales Díaz, Emilio
dc.contributor.authorMéndez Martín, María Bianchi
dc.contributor.authorPiqueras De Noriega, Francisco Javier
dc.date.accessioned2023-06-20T03:37:37Z
dc.date.available2023-06-20T03:37:37Z
dc.date.issued2011-07
dc.description© 2011 ElsevierB.V. This work has been supported by MEC (projects MAT2006- 01259, MAT2009-07882 and Consolider Ingenio CSD 2009-00013) and BSCH-UCM (Group 910146).
dc.description.abstractCathodoluminescence (CL) of Ga2O3 nanowires and planar microstructures has been studied in a scanning electron microscope, as a function of the orientation angle of the structures relative to the position of the light detection system in the microscope chamber. CL contrast shows a marked dependence on the detection angle due to the waveguiding behaviour of the structures. The angle resolved cathodoluminescence (ARCL) measurements enable to evaluate the optical losses of guided blue-ultraviolet light in nanowires with diameters in the sub-wavelength range, deposited on graphite tape or silicon. In planar, branched feather-like microstructures, ARCL images demonstrate the directional-dependant light guiding behaviour of the nano-branches. (
dc.description.departmentDepto. de Física de Materiales
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMEC
dc.description.sponsorshipBSCH-UCM
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/24222
dc.identifier.doi10.1016/j.ultramic.2011.03.003
dc.identifier.issn0304-3991
dc.identifier.officialurlhttp://www.sciencedirect.com/science/article/pii/S0304399111000891
dc.identifier.relatedurlhttp://www.sciencedirect.com
dc.identifier.urihttps://hdl.handle.net/20.500.14352/44083
dc.issue.number8
dc.journal.titleUltramicroscopy
dc.language.isoeng
dc.page.final1042
dc.page.initial1037
dc.publisherElsevier Science BV
dc.relation.projectIDMAT2006-01259
dc.relation.projectIDMAT2009-07882
dc.relation.projectIDConsolider Ingenio CSD 2009-00013
dc.relation.projectID910146
dc.rights.accessRightsopen access
dc.subject.cdu538.9
dc.subject.keywordBeta-Ga_2O_3 Nanowires
dc.subject.keywordGa_2O_3 Films
dc.subject.ucmFísica de materiales
dc.titleAssessment of waveguiding properties of gallium oxide nanostructures by angle resolved cathodoluminescence in a scanning electron microscope
dc.typejournal article
dc.volume.number111
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