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http://acervodigital.unesp.br/handle/11449/37818- Title:
- Blue-green and red photoluminescence in CaTiO3 : Sm
- Universidade Federal de São Carlos (UFSCar)
- Universidade de São Paulo (USP)
- Universidade Estadual Paulista (UNESP)
- 0022-2313
- Blue-green and red photoluminescence (PL) emission in structurally disordered CaTiO3:Sm (CT:Sm) powders was observed at room temperature with laser excitation at 350.7 nm. The perovskite-like titanate CT:Sm powders prepared by a soft chemical processing at different temperatures of annealing were structurally characterized by X-ray diffraction (XRD) and X-ray absorption near-edge structure (XANES). The results indicate that the generation of the broad PL band is related to order-disorder degree in the perovskitelike structure. (c) 2006 Elsevier B.V. All rights reserved.
- 1-Oct-2007
- Journal of Luminescence. Amsterdam: Elsevier B.V., v. 126, n. 2, p. 403-407, 2007.
- 403-407
- Elsevier B.V.
- luminescence
- order-disorder
- optical materials
- CT : Sm
- http://dx.doi.org/10.1016/j.jlumin.2006.08.100
- Acesso restrito
- outro
- http://repositorio.unesp.br/handle/11449/37818
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