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- Title
Effect of [Li]/[Nb] ratio on composition and defect structure of Zn:Yb:Tm:LiNbO<sub>3</sub> crystals.
- Authors
Li, Dai; Hao, Yuan; He, Ke-Qi; Wang, Yu-Ning
- Abstract
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 Yb 3 + and Tm 3 + 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.
- Subjects
INDUCTIVELY coupled plasma atomic emission spectrometry; YTTERBIUM; CRYSTAL structure
- Publication
Journal of Nonlinear Optical Physics & Materials, 2024, Vol 33, Issue 6, p1
- ISSN
0218-8635
- Publication type
Article
- DOI
10.1142/S0218863523300049