ZEEMAN EFFECT IN THE LUMINESCENCE SPECTRA OF TERBIUM-YTTRIUM-ALUMINUM GARNET

被引：4
|
作者：
Valiev, U. V. [1 ]
Dzhuraev, D. R. [2 ]
Mukhamedkhanova, S. I. [1 ]
Narzullaev, N. M. [2 ]
Sokolov, V. Yu. [1 ]
Rakhimov, S. A. [2 ]
机构：
[1] Mirzo Ulugbek Uzbekistan Natl Univ, Tashkent, Uzbekistan
[2] Bukhara State Univ, Bukhara, Uzbekistan
来源：
RUSSIAN PHYSICS JOURNAL | 2008年 / 51卷 / 06期
关键词：
D O I：
10.1007/s11182-008-9079-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The Zeeman effect is investigated in the green luminescence band corresponding to the 4f -> 4f radiative transition D-5(4)-> F-7(5) of Tb3+ ions in Tb0.2Y2.8Al5O12 terbium-yttrium-aluminum garnet at the temperature T = 85 K. It is demonstrated that an external field causes not only the Zeeman shifts of the resonant frequencies of radiative transitions in the luminescence spectra but also changes in the emission line intensities caused by modification of the optical transition probabilities in the sigma(-) and sigma(+) opposite circular polarization states. Special features of field dependences of the Zeeman effect for the emission lines are qualitatively explained based on the results of numerical energy spectrum calculations for the D-5(4) and F-7(5) multiplets of the Tb3+ ion in yttrium-aluminum garnet in the geometry of the longitudinal and transverse Zeeman effects. The possibility of nonequilibrium population of sublevels of the (Gamma(1), Gamma(4)) quasi-doublet state of the D-5(4) multiplet with energy of similar to 20585 cm(-1) is demonstrated in an external magnetic field.
引用
收藏
页码：593 / 600
页数：8
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