## Abstract Efficient blueβgreen emission is observed for Sr~2~CeO~4~ under ultraviolet excitation ranging from 250 to 400βnm and this is ascribed to the emission of the O^2β^βCe^4+^ charge transfer (CT) states. Under the excitation of ultraviolet light in the broad absorption band, an intense near
Cooperative downconversion and near-infrared luminescence of
β Scribed by X. Liu; S. Ye; Y. Qiao; G. Dong; B. Zhu; D. Chen; G. Lakshminarayana; J. Qiu
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 489 KB
- Volume
- 96
- Category
- Article
- ISSN
- 0721-7269
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Near-infrared luminescence and excitation spectra of A1203 : V3+ and YP,Os : V'+ are presented. In Al,OJ : V"+ the trigonal and spin-orbit splitting of the 'T,, (0, notation) ground state is determined: spinor levels {with D, symmetry designations) are at 0 (A, ), 8.1 (E), 992 (E) and 1134 cm-' (E,