Effect of [Li]/[Nb] ratio on composition and defect structure of Zn:Yb:Tm:LiNbO3 crystals

被引：1
作者：
Dai, Li [1 ,2 ,3 ]
Yuan, Hao [1 ]
He, Ke-Qi [1 ]
Wang, Yu-Ning [1 ]
机构：
[1] Harbin Univ Sci & Technol, Sch Mat Sci & Chem Engn, Harbin 15000, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Key Lab Space Photoelect Detect & Percept, Nanjing 210000, Peoples R China
[3] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
来源：
JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS | 2024年 / 33卷 / 06期
关键词：
Zn:Yb:Tm:LiNbO3 crystals; segregation coefficient; defect structure; UP-CONVERSION LUMINESCENCE; LIGHT-INDUCED SCATTERING; OPTICAL-PROPERTIES; LINBO3; PHOSPHORS;
D O I：
10.1142/S0218863523300049
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Zn:Yb:Tm:LiNbO3 crystals with a range of [Li]/[Nb] ratios (0.94, 1.05, 1.20, and 1.38) were grown by Czochraski technique. The influence of [Li]/[Nb] ratio on the concentration of doped elements in grown crystal was investigated by inductively coupled plasma atomic emission spectrometry (ICP-AES). The defect structures formed at different [Li]/[Nb] ratios were studied by X-ray diffraction and INFRARED spectroscopy. The results show that, when the [Li]/[Nb] ratio increases, the segregation coefficients of Yb3+ and Tm3+ ions increase, while the segregation coefficient of Zn(2+ )ions decreases. When the [Li]/[Nb] ratio in the melt increases to 1.20, the Zn:Yb:Tm:LiNbO3 crystal approaches the stoichiometric ratio.
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页数：9
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