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Spectroscopic analysis of LiKGdF5:Er3+,Sm3+ single crystal
DONG Ning
USTC
*Correspondence author
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Funding: 教育部博士点基金（No.20020358003）
Opened online:25 July 2005
Accepted by: none
Citation: DONG Ning.Spectroscopic analysis of LiKGdF5:Er3+,Sm3+ single crystal[OL]. [25 July 2005] http://en.paper.edu.cn/en_releasepaper/content/2517
 
 
Low temperature photoluminescence spectra were measured under the selective excitation to the energy levels of Gd3+, Er3+ and Sm3+ respectively. Corresponding transitions were assigned with the help of fluorescence decay measurements. By assuming that the rare earth ion is in C2v symmetry instead of the actual C2, crystal field calculations were carried out based on the deduced experimental energy level data of Er3+ and Sm3+. The theoretical result is in good agreement with the experimental data. The tendency of crystal field parameters was also discussed.
Keywords: LiKGdF5:Er3+, Sm3+; photoluminescence; selective excitation; crystal field calculation
 
 
 

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