Spectra analysis of Tm3+ in K2YF5

被引：11
|
作者：
Li, Y
Yin, M [1 ]
Dong, N
Makhov, VN
Khaidukov, NM
Krupa, JC
机构：
[1] Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China
[2] CNRS, IN2P3, Inst Nucl Phys, F-91406 Orsay, France
[3] Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China
[4] PN Lebedev Phys Inst, Moscow 117924, Russia
[5] PN Lebedev Phys Inst, Moscow 117924, Russia
[6] NS Kurnakov Gen & Inorgan Chem Inst, Moscow 117907, Russia
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2004年 / 65卷 / 06期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.jpcs.2003.11.035
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Emission and absorption spectra of Tm3+ in single crystal K2YF5 with different concentrations are reported and analyzed. The nonexponential feature of the fluorescence decay of D-1(2), level for the high concentration sample indicates the existence of a cross-relaxation process. Energy level simulation has been carried out by using a phenomenological model with 16 parameters accounting simultaneously for the free ion and crystal field (CF) effects. A good fit was achieved with a root mean square deviation sigma = 18 cm(-1). The free ion and CF effects were then discussed by comparing the available data of K2YF5:Nd3+, LiYF4:Tm3+ and LiYF4:Nd3+. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1059 / 1063
页数：5
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