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Structure and Property of Yb Doped Ca1-xRxF2+x(R=La, Gd) Laser Crystals
He, Yi-Feng1; Xue, Yan-Yan2; Liu, Wen-Qing1; Su, Liang-Bi2; Tang, Fei2; Wang, Jing-Ya2
2017
发表期刊Wuji Cailiao Xuebao/Journal of Inorganic Materials
ISSN1000324X
卷号32期号:8页码:857-862
摘要3at%Yb:Ca1-xRxF2+x(R=La, Gd; x=0, 0.01, 0.03, 0.06, 0.09) crystals were grown by a vertical Bridgman method. X-ray diffraction (XRD), Raman spectra, absorption spectra, fluorescence spectra and fluorescence lifetime were used to characterize the crystals. Effects of regulating ion La3+and Gd3+on lattice constants, Raman spectra and properties of Yb:CaF2crystals were investigated. Moreover, the relationship between structure and spectral property of Yb3+ion was analyzed and discussed. The results show that lattice constant and Raman FWHM gradually increase with the increase of La3+or Gd3+ion doping concentration, demonstrat that lattice expands and lattice vibration modes increases, respectively. Among 3at%Yb:Ca1-xLaxF2+xcrystals, the crystal doped with 6at% La3+has the largest absorption cross section (0.71×10-20cm2) and the largest fluorescence intensity. Moreover, the crystal doped with 3at% Gd3+has the largest fluorescence intensity. Increasing Gd3+content up to 6at%, the crystal has the largest absorption cross section (0.64×10-20cm2). These cooping crystals have better spectral parameters than 3at%Yb:CaF2crystals. Based on the above results, structure of Yb3+ion may be changed and the crystalline spectral properties may be optimized partly through the regulation of La3+or Gd3+ions' concentration. © 2017, Science Press. All right reserved.
DOI10.15541/jim20160612
EI入藏号20174704417147
EI主题词Crystal growth from melt
EI分类号482.2 Minerals - 741.1 Light/Optics - 804.2 Inorganic Compounds - 933.1.1 Crystal Lattice - 933.1.2 Crystal Growth - 951 Materials Science
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25782
专题中国科学院上海硅酸盐研究所
作者单位1.Institute of Materials, Shanghai University, Shanghai; 200072, China;
2.Synthetic Single Crystal Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 201899, China
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GB/T 7714
He, Yi-Feng,Xue, Yan-Yan,Liu, Wen-Qing,et al. Structure and Property of Yb Doped Ca1-xRxF2+x(R=La, Gd) Laser Crystals[J]. Wuji Cailiao Xuebao/Journal of Inorganic Materials,2017,32(8):857-862.
APA He, Yi-Feng,Xue, Yan-Yan,Liu, Wen-Qing,Su, Liang-Bi,Tang, Fei,&Wang, Jing-Ya.(2017).Structure and Property of Yb Doped Ca1-xRxF2+x(R=La, Gd) Laser Crystals.Wuji Cailiao Xuebao/Journal of Inorganic Materials,32(8),857-862.
MLA He, Yi-Feng,et al."Structure and Property of Yb Doped Ca1-xRxF2+x(R=La, Gd) Laser Crystals".Wuji Cailiao Xuebao/Journal of Inorganic Materials 32.8(2017):857-862.
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