Growth and properties of Yb:K0.1Na0.9Gd(MoO4)2 crystal

ZHANG Chuancheng; REN Hao; WANG Miaomiao; LIU Longchao; ZOU Yong; LIU Hailian; LIU Wenpeng; DING Shoujun

doi:10.3969/j.issn.1007-5461.2025.01.014

Chinese Journal of Quantum Electronics, Volume. 42, Issue 1, 148(2025)

Growth and properties of Yb:K_0.1Na_0.9Gd(MoO₄)₂ crystal

ZHANG Chuancheng1... REN Hao1, WANG Miaomiao1, LIU Longchao1, ZOU Yong1, LIU Hailian1,*, LIU Wenpeng2,3, and DING Shoujun1,23,** |Show fewer author(s)

Author Affiliations

¹School of Microelectronics and Data Science, Anhui University of Technology, Maanshan243002, China

²Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, China

³Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China

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Fig. 1. (a) Yb:K_0.1Na_0.9Gd(MoO₄)₂ crystal grown by Czochralski method; (b) PXRD pattern comparison of Yb:K_0.1Na_0.9Gd(MoO₄)₂ crystal and phase-pure NGM crystal ICSD#250828

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Fig. 2. Schematic diagram of hydrostatic weighing method

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Fig. 3. Linear fitting of measured specific heat varying with temperature

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Fig. 4. Fitting of thermal diffusivity versus temperature

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Fig. 5. Fitting of thermal conductivity versus temperature

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Fig. 6. Indentation diagram of the crystal surface

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Fig. 7. Crystal emission spectrum excited by 970 nm

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Table 1. Experimental and theoretical values of crystal density
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Table 1. Experimental and theoretical values of crystal density
Crystals $m_{1}$ / g $m_{2}$ / g $m_{3}$ / g ρ_e / (g⋅cm^-3) $\bar{ρ_{e}}$ / (g⋅cm^-3) ρ_t / (g⋅cm^-3)
Yb:KNGM sample 1 4.0023 77.4529 78.1955 5.3896 5.3792 5.3460
sample 2 3.9928 78.5004 79.2432 5.3753
sample 3 3.6878 78.3918 79.0782 5.3727

Table 2. The Vickers and Mohs hardness of the crystal
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Table 2. The Vickers and Mohs hardness of the crystal
Hardness No.1 No.2 No.3 No.4 No.5 Average
Vickers hardness H_V/(kg⋅mm^-2) 253.6 252.3 245.3 253.5 252.8 251.5
Mohs hardness H_M 4.273 4.265 4.225 4.272 4.268 4.259

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Chuancheng ZHANG, Hao REN, Miaomiao WANG, Longchao LIU, Yong ZOU, Hailian LIU, Wenpeng LIU, Shoujun DING. Growth and properties of Yb:K_0.1Na_0.9Gd(MoO₄)₂ crystal[J]. Chinese Journal of Quantum Electronics, 2025, 42(1): 148

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