Aviso: para depositar documentos, por favor, inicia sesión e identifícate con tu cuenta de correo institucional de la UCM con el botón MI CUENTA UCM. No emplees la opción AUTENTICACIÓN CON CONTRASEÑA
 

Formation of beta-Bi₂O₃ and delta-Bi₂O₃ during laser irradiation of Bi films studied in-situ by spatially resolved Raman spectroscopy

Simple item page
dc.contributor.authorDíaz-Guerra Viejo, Carlos
dc.contributor.authorAlmodóvar, Paloma
dc.contributor.authorCamacho López, M.
dc.contributor.authorCamacho López, S.
dc.contributor.authorPiqueras De Noriega, Francisco Javier
dc.date.accessioned2023-06-17T22:12:11Z
dc.date.available2023-06-17T22:12:11Z
dc.date.issued2017-10-05
dc.description© 2017 Elsevier B.V. All rights reserved. The authors are indebted to Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM for XPS measurements. This work was supported by MINECO through projects MAT2012-31959, MAT2015-65274-R, CSD2009-0013 and it was partially supported by AFOSR grant FA9550-15-1-0142.
dc.description.abstractThe formation of different phases of Bi₂O₃ induced by laser irradiation of Bi films has been assessed in situ by micro-Raman spectroscopy as a function of laser wavelength, power density and irradiation time. Raman mapping of the irradiated samples enabled a spatially-resolved study of the distribution of the formed Bi₂O₃ phases. Red laser (633 nm) irradiation was found to induce the appearance of ß- Bi₂O₃, within a certain range of power densities, by diffusion- controlled processes. In contrast, ultraviolet (UV, 325 nm) laser irradiation, above a certain power density threshold, initially induces the formation of both beta and δ- Bi₂O₃ phases. The amount of the produced δ- Bi₂O₃ phase increases by increasing the irradiation time, while that of the beta phase follows the opposite trend. UV laser irradiation seems to be a suitable method to produce room temperature stable δ- Bi₂O₃ patterns on Bi films.
dc.description.departmentDepto. de Física de Materiales
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Economía y Competitividad (MINECO)
dc.description.sponsorshipAFOSR
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/45288
dc.identifier.doi10.1016/j.jallcom.2017.06.263
dc.identifier.issn0925-8388
dc.identifier.officialurlhttp://dx.doi.org/10.1016/j.jallcom.2017.06.263
dc.identifier.relatedurlhttp://www.sciencedirect.com
dc.identifier.urihttps://hdl.handle.net/20.500.14352/18212
dc.journal.titleJournal of alloys and compounds
dc.language.isoeng
dc.page.final526
dc.page.initial520
dc.publisherElsevier Science SA
dc.relation.projectIDMAT2012-31959
dc.relation.projectIDMAT2015-65274-R
dc.relation.projectIDCSD2009-0013
dc.relation.projectIDFA9550-15-1-0142
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.cdu538.9
dc.subject.keywordThin-films
dc.subject.keywordPhotocatalytic activity
dc.subject.keywordOxidation-kinetics
dc.subject.keywordBismuth oxide
dc.subject.keywordCrystallization
dc.subject.keywordNanostructures
dc.subject.keywordAlpha- Bi₂O₃
dc.subject.keywordPulses
dc.subject.keywordGrowth
dc.subject.keywordBeam
dc.subject.ucmFísica de materiales
dc.subject.ucmFísica del estado sólido
dc.subject.unesco2211 Física del Estado Sólido
dc.titleFormation of beta-Bi₂O₃ and delta-Bi₂O₃ during laser irradiation of Bi films studied in-situ by spatially resolved Raman spectroscopy
dc.typejournal article
dc.volume.number723
dspace.entity.typePublication
relation.isAuthorOfPublicationb1b44979-3a0d-45d7-aa26-a64b0dbfee18
relation.isAuthorOfPublication68dabfe9-5aec-4207-bf8a-0851f2e37e2c
relation.isAuthorOfPublication.latestForDiscoveryb1b44979-3a0d-45d7-aa26-a64b0dbfee18

Download

Original bundle

Now showing 1 - 1 of 1
Thumbnail Image
Name:
PiquerasJ330 POST+CC+EMB 06_11_2019.pdf
Size:
1.82 MB
Format:
Adobe Portable Document Format
downoload Download

Collections

Artículos