Defect structure and optical damage resistance of Mg:Ru:Fe:LiNbO3 crystals with various [Li]/[Nb] ratios

被引：7
|
作者：
Dai, Li [1 ]
Wang, Luping [2 ]
Han, Xianbo [1 ]
Shao, Yu [1 ]
Liu, Chunrui [1 ]
Xu, Yuheng [3 ]
机构：
[1] Harbin Univ Sci & Technol, Coll Sci, Harbin 150080, Heilongjiang, Peoples R China
[2] Harbin Univ Sci & Technol, Sch Mat Sci & Engn, Harbin 150040, Heilongjiang, Peoples R China
[3] Harbin Inst Technol, Dept Appl Chem, Harbin 150001, Heilongjiang, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 778卷
关键词：
Mg:Ru:Fe:LiNbO3 crystals; XRD; ICP-AES; Optical damage resistance; HOLOGRAPHIC STORAGE PROPERTIES; LIGHT-INDUCED SCATTERING; GROWTH; INTENSITY;
D O I：
10.1016/j.jallcom.2018.11.061
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Mg:Ru:Fe:LiNbO3 crystals with various [Li]/[Nb] ratios([Li]/[Nb] = 0.946, 1.05, 1.20 and 1.38) were grown in air by the Czochralski method. The structure and composition were analyzed by the X-ray diffraction patterns (XRD) and inductively coupled plasma-atomic emission spectrometry (ICP-AES). It was found that doping ions and the change of [Li]/[Nb] ratio cannot change the structure of crystal. The optical damage resistance of Mg:Ru:Fe:LiNbO3 crystals was studied by exposure energy flow method. The results showed that when the [Li]/[Nb] ratio of Mg:Ru:Fe:LiNbO3 crystals reached to 1.38, the optical damage resistance of Mg:Ru:Fe:LiNbO3 crystals is highest. The experimental results were discussed in detail based on the Li-site vacancy model. (C) 2018 Elsevier B.V. All rights reserved.
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收藏
页码：827 / 832
页数：6
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