Xiong ZHOU, Lizhi FANG, Shuangwu HUANG, Haiping XIA, Jianxu HU, Jianli ZHANG, Baojiu CHEN. Ultraviolet and Near-infrared Luminescence of Ce 3+/Yb 3+ Co-doping LiLuF4 Single Crystal [J]. Journal of Inorganic Materials, 2020, 35(5): 556
- Journal of Inorganic Materials
- Vol. 35, Issue 5, 556 (2020)
1. (a) Photo of the grown single crystal; (b) XRD patterns of C0, CY3 and standard card of LiLuF4
2. (a) Crystal structure of LiLuF4, and (b) coordination for lithium and (c) lutetium sites
3. Absorption spectra of the LiLuF4 single crystals
4. (a) Emission spectra of Ce3+/Yb3+ co-doped LiLuF4 single crystals excited at 291 nm, and (b) emission intensity of Ce3+ and Yb3+ ions as a function of Yb3+ concentration
5. Partial energy level diagram in Ce3+/Yb3+ co-doped LiLuF4 single crystal
6. (a) Fluorescence decay curves of active Ce3+ ions near 326 nm in Ce3+ singly doped LiLuF4 single crystal; (b) Fitting curves with Inokuti-Hirayama model
7. (a) Temperature dependent emission spectra of 0.1mol% Ce3+/1.5mol% Yb3+ sample under 291 nm excitation, and (b) emission intensity of Ce3+ and Yb3+ as a function of temperature
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Table 1. Molar fractions of Ce3+ and Yb3+ in raw materials and the number of Ce3+ ions (N) and Yb3+ ions in single crystals
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