Optical spectroscopy of Eu3+ ions doped in KLu(WO4)2 single crystals

被引：14
|
作者：
Koubaa, T. [1 ]
Dammak, M. [1 ]
Pujol, M. C. [2 ]
Aguilo, M. [2 ]
Diaz, F. [2 ]
机构：
[1] Univ Sfax, Appl Phys Lab, Dept Phys, Grp Phys Mat Luminescent,Fac Sci Sfax, Sfax, Tunisia
[2] Univ Rovira & Virgili, Fis & Cristal Log Mat & Nanomat FiCMA FiCNA EMaS, E-43007 Tarragona, Spain
来源：
JOURNAL OF LUMINESCENCE | 2015年 / 168卷
关键词：
Optical spectroscopy; Eu3+:KLu(WO4)(2); Judd-Ofelt; Anomalously strong configuration interaction (ASCI); LUMINESCENCE PROPERTIES; LASER OSCILLATION; SPECTRA; INTENSITIES; GROWTH; TM3+; GLASSES; FIELD; ND3+; PR3+;
D O I：
10.1016/j.jlumin.2015.07.015
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Europium single doped potassium lutetium tungstate Eu3+:KLu(WO4)(2) single crystals have been grown with the top seeded solution growth slow cooling method. Their absorption spectra are studied in detail for principal light polarizations, E parallel to INp, N-m and N-g at room and low temperatures. The absorption oscillator strengths parameters are calculated by means of the theory of f-f transition intensities for systems with anomalously strong configuration interaction and by Judd-Ofelt theory. The Omega(t) (t=2, 4, 6) intensity parameters, and the {O-dk, O-ck, Delta(d), Delta(c1) and Delta(c2)) (k=1, 2, 3) ASCI parameters are calculated. The radiative transition rates A(R), radiative lifetimes tau(R), and fluorescent branching ratios beta(R) associated with D-5(0)-F-7(j) transitions of Eu3+ were determined. The calculated decay times are discussed and compared with experimental values. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：7 / 13
页数：7
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