Impacto
Downloads
Downloads per month over past year
Vila, Mercedes and Díaz-Guerra Viejo, Carlos and Piqueras de Noriega, Javier (2012) Laser irradiation-induced alpha to delta phase transformation in Bi_2O_3 ceramics and nanowires. Applied Physics Letters, 101 (7). ISSN 0003-6951
Preview |
PDF
1MB |
Official URL: http://dx.doi.org/10.1063/1.4747198
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.
| Item Type: | Article |
|---|---|
| Additional Information: | © 2012 American Institute of Physics. |
| Uncontrolled Keywords: | Thin-Films, Optical-Properties, Oxide, Bismuthsesquioxide, Conductivity, Luminescence, Alpha-Bi2o3, Disorder, Spectra |
| Subjects: | Sciences > Physics > Materials |
| ID Code: | 25654 |
| Deposited On: | 05 Jun 2014 16:44 |
| Last Modified: | 20 Jul 2015 08:18 |
Origin of downloads
Repository Staff Only: item control page
