| Fluorescence Features of Samarium Ion in
PbO-B2O3-SiO2-Al2O3 Glass System |
A. V. Sri Pallavi,1
G. Sahaya Baskaran,* G. Little Flower,2 D. Rajeswara Rao1 and N. Veeraiah1
pages 13-17
DOI:10.1080/0371750X.2013.772741 |
| Abstract |
| The glasses of the composition 30PbO-65B2O3-0.5SiO2-(4.5–x)Al2O3-xSm2O3 with x varying from 0 to 2 mol% have
been synthesized. Optical absorption and photoluminescence spectra in the spectral range 300-2200 nm and
450-700 nm, respectively, were studied at ambient temperature. The Judd-Ofelt theory was applied to characterize
these spectra. The analysis of the results indicated that the glasses containing maximum concentration of Al3+
ions in octahedral positions is preferable for achieving the highest luminescence efficiency.
[Keywords: Lead borate glasses, Photoluminescence spectra, J-O theory, Sm3+ ions] |
| Full text : Subscribe to Download Full Text |
| [Go Back] |
|
