Luminescence and Raman study of α-Bi_2O_3 ceramics
| dc.contributor.author | Piqueras De Noriega, Francisco Javier | |
| dc.contributor.author | Vila Santos, María | |
| dc.contributor.author | Díaz-Guerra Viejo, Carlos | |
| dc.date.accessioned | 2023-06-20T03:36:27Z | |
| dc.date.available | 2023-06-20T03:36:27Z | |
| dc.date.issued | 2012-03-15 | |
| dc.description | ©2012 Elsevier B.V. This work has been supported by MICINN through projects MAT2009-07882 and CSD2009-0013 and by BSCH-UCM (Project GR35-10A-910146). | |
| dc.description.abstract | Cathodoluminescence in the scanning electron microscope and photoluminescence in a confocal microscope have been used to investigate the luminescence properties of the stable monoclinic α-phase of Bi_2O_3. Powders of this oxide have been sintered at temperatures of 500 °C and 750 °C in air or in nitrogen atmospheres. Spectra of the starting powder and of the samples treated at 500 °C show luminescence bands at 1.50 eV and 1.95 eV as well as a band at 2.1 eV, more prominent in nitrogen treated samples. Sintering at 750 °C leads to quenching of the 1.50 eV infrared emission and the formation of a broad band with emission above 3 eV. The evolution of Raman bands with the sintering treatments has also been investigated. | |
| dc.description.department | Depto. de Física de Materiales | |
| dc.description.faculty | Fac. de Ciencias Físicas | |
| dc.description.refereed | TRUE | |
| dc.description.sponsorship | MICINN (Ministerio de Ciencia e Innovación, España) | |
| dc.description.sponsorship | BSCH-UCM | |
| dc.description.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/23632 | |
| dc.identifier.doi | 10.1016/j.matchemphys.2012.01.088 | |
| dc.identifier.issn | 0254-0584 | |
| dc.identifier.officialurl | http://dx.doi.org/10.1016/j.matchemphys.2012.01.088 | |
| dc.identifier.relatedurl | http://www.sciencedirect.com | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/44026 | |
| dc.issue.number | 1 | |
| dc.journal.title | Materials Chemistry and Physics | |
| dc.language.iso | eng | |
| dc.page.final | 564 | |
| dc.page.initial | 559 | |
| dc.publisher | Elsevier Science SA | |
| dc.relation.projectID | MAT2009-07882 | |
| dc.relation.projectID | CSD2009-0013 | |
| dc.rights.accessRights | restricted access | |
| dc.subject.cdu | 538.9 | |
| dc.subject.keyword | Trioxide Thin-Films | |
| dc.subject.keyword | Bismuth Oxide | |
| dc.subject.keyword | Optical-Properties | |
| dc.subject.keyword | Spectra | |
| dc.subject.keyword | Phase | |
| dc.subject.keyword | Bi_2O_3 | |
| dc.subject.keyword | Bismuthsesquioxide | |
| dc.subject.keyword | Evaporation | |
| dc.subject.ucm | Física de materiales | |
| dc.title | Luminescence and Raman study of α-Bi_2O_3 ceramics | |
| dc.type | journal article | |
| dc.volume.number | 133 | |
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| relation.isAuthorOfPublication | b1b44979-3a0d-45d7-aa26-a64b0dbfee18 | |
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