Laser irradiation-induced alpha to delta phase transformation in Bi_2O_3 ceramics and nanowires
| dc.contributor.author | Vila, Mercedes | |
| dc.contributor.author | Díaz-Guerra Viejo, Carlos | |
| dc.contributor.author | Piqueras De Noriega, Francisco Javier | |
| dc.date.accessioned | 2023-06-20T03:40:24Z | |
| dc.date.available | 2023-06-20T03:40:24Z | |
| dc.date.issued | 2012-08-13 | |
| dc.description | © 2012 American Institute of Physics. This work was supported by MICNN through projects MAT2009-07882 and CSD2009-0013. | |
| dc.description.abstract | The α-Bi_2O_3 to σ- Bi_2O_3 phase transformation has been locally induced by laser irradiation in ceramic samples and single-crystal nanowires of this oxide. The threshold power densities necessary to induce this transformation, as well as the corresponding transformation kinetics and its temporal stability, have been investigated in both kinds of samples by micro-Raman spectroscopy. The appearance of the delta phase was also monitored by spatially resolved photoluminescence spectroscopy. An emission band peaked near 1.67 eV, not observed in α-Bi_2O_3, is tentatively attributed to to σ- Bi_2O_3 near band gap transitions. | |
| dc.description.department | Depto. de Física de Materiales | |
| dc.description.faculty | Fac. de Ciencias Físicas | |
| dc.description.refereed | TRUE | |
| dc.description.sponsorship | MICNN | |
| dc.description.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/25654 | |
| dc.identifier.doi | 10.1063/1.4747198 | |
| dc.identifier.issn | 0003-6951 | |
| dc.identifier.officialurl | http://dx.doi.org/10.1063/1.4747198 | |
| dc.identifier.relatedurl | http://scitation.aip.org | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/44214 | |
| dc.issue.number | 7 | |
| dc.journal.title | Applied Physics Letters | |
| dc.language.iso | eng | |
| dc.publisher | Amer Inst Physics | |
| dc.relation.projectID | MAT2009-07882 | |
| dc.relation.projectID | CSD2009-0013 | |
| dc.rights.accessRights | open access | |
| dc.subject.cdu | 538.9 | |
| dc.subject.keyword | Thin-Films | |
| dc.subject.keyword | Optical-Properties | |
| dc.subject.keyword | Oxide | |
| dc.subject.keyword | Bismuthsesquioxide | |
| dc.subject.keyword | Conductivity | |
| dc.subject.keyword | Luminescence | |
| dc.subject.keyword | Alpha-Bi2o3 | |
| dc.subject.keyword | Disorder | |
| dc.subject.keyword | Spectra | |
| dc.subject.ucm | Física de materiales | |
| dc.title | Laser irradiation-induced alpha to delta phase transformation in Bi_2O_3 ceramics and nanowires | |
| dc.type | journal article | |
| dc.volume.number | 101 | |
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