Sm3+ luminescence in alkali lead tellurofluoroborate glasses

被引：4
|
作者：
Salem, S. A. [1 ]
Jamalaiah, B. C. [1 ]
Jang, Kiwan [2 ]
Jayasimhadri, M.
Babu, A. Mohan [1 ]
Kumar, J. Suresh [1 ]
Moorthy, L. Rama [1 ]
机构：
[1] Sri Venkateswara Univ, Dept Phys, Tirupati 517502, Andhra Pradesh, India
[2] Changwon Natl Univ, Dept Phys, Chang Won, South Korea
来源：
INTERNATIONAL SEMINAR ON SCIENCE AND TECHNOLOGY OF GLASS MATERIALS (ISSTGM 2009) | 2009年 / 2卷
关键词：
OPTICAL-PROPERTIES; SPECTROSCOPIC PROPERTIES; IONS;
D O I：
10.1088/1757-899X/2/1/012049
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Sm3+- doped alkali lead tellurofluorborate (RLTB) glasses with chemical composition of H3BO3 - RF - PbO -TeO2 - Sm2O3 (R = Li, Na and K) were prepared by conventional melt quenching technique. From the measured absorption spectra, the Judd-Ofelt intensity parameters (Omega(lambda)) have been evaluated. Decay measurements of (4)G(5/2) metastable state in all the three glass systems were found to be non-exponential. The reasons for non-exponential behaviour of the decay profiles were also discussed based on the Inokuti-Hirayama (I-H) model, confirming the dipole-dipole interaction between the Sm3+ ions.
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页数：5
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