Growth and characterization of LiInSe2 single crystals

被引：13
|
作者：
Ma, Tianhui [1 ]
Zhu, Chongqiang [2 ]
Lei, Zuotao [2 ]
Yang, Chunhui [2 ]
Sun, Liang [3 ]
Zhang, Hongchen [1 ]
机构：
[1] Heilongjiang Inst Technol, Coll Mat & Chem Engn, Harbin 150050, Peoples R China
[2] Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150001, Peoples R China
[3] Yibin Univ, Sch Phys & Elect, Yibin 644000, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2015年 / 415卷
关键词：
Characterization; Single crystal growth; Gradient freeze technique; LiInSe2; Nonlinear optic materials; MID-IR; PHASE;
D O I：
10.1016/j.jcrysgro.2014.11.032
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Large and crack-free LiInSe2 single crystals were obtained by the vertical gradient freezing method with adding a temperature oscillation technology in a two-zone furnace. X-ray diffraction data showed that the pure LiInSe2 compound was synthesized. The grown crystals had different color depending on melt composition. The atomic ratios of elements of LiInSe2 crystals were obtained by an Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES), and the structural formula were calculated according to the relative contents of elements. The average absorption coefficients were estimated by using average reflection indices. The absorption coefficients of the thermal annealing samples are similar to 0.6 cm(-1) at similar to 2-3 mu m. The transparent range of our LiInSe2 crystals is from 0.6 mu m to 13.5 mu m. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：132 / 138
页数：7
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