运用X射线衍射(XRD)和X射线光电子能谱(XPS)对垂直布里奇曼法生长的ZnGeP2晶体的轴向组成进行分析,发现晶体的成分不均匀.采用Rietveld全谱拟合精修定量分析各物相的相对含量,发现晶体轴向组成分布存在较大差异.晶体肩部和尾部含有Ge和Zn3P2杂相,而主体部分为单相ZnGeP2质量相对较高.傅里叶变换红外光谱(FTIR)的测试结果表明,晶体轴向成分的差异对其红外透过率有较大影响.经过适当的热处理工艺,可以提高晶体的均匀性,改善其光学性能.
参考文献
| [1] | Verozubova G A;Okunev A O;Gribenyukov A I et al.Growth and Defect Structureof ZnGeP2 Crystals[J].Journal of Crystal Growth,2010,312:1122-1126. |
| [2] | Jiang Cheng;Shifu Zhu;Beijun Zhao;Baojun Chen;Zhiyu He;Qiang Fan;Ting Xu .Chemical etching orientation of ZnGeP_2 single crystals[J].Journal of Crystal Growth,2011(1):729-732. |
| [3] | Haidar S;Miyamoto K;he H .Generation of Tunable Mid-IR (5.5-9 31μm) from a 2 μm Pumped ZnGeP2 Optical parametric Oscillator[J].Optics Communications,2004,241:173-178. |
| [4] | Verozubova GA;Gribenyukov AI .Growth of ZnGeP2 crystals from melt[J].Crystallography reports,2008(1):158-163. |
| [5] | Zawilski KT;Schunemann PG;Setzler SD;Pollak TM .Large aperture single crystal ZnGeP2 for high-energy applications[J].Journal of Crystal Growth,2008(7/9):1891-1896. |
| [6] | 夏士兴,雷作涛,王猛,杨春晖,李纲,姚宝权.大尺寸ZnGeP2晶体生长与中红外光参量振荡[J].人工晶体学报,2011(02):541-541. |
| [7] | 梁栋程,赵北君,朱世富,陈宝军,何知宇,范强,徐婷.ZnGeP2单晶生长与安瓿设计研究[J].人工晶体学报,2010(04):834-837,845. |
| [8] | Verozubova GA.;Gribenyukov AI.;Korotkova VV.;Vere AW.;Flynn CJ. .ZnGeP2 growth: melt non-stoichiometry and defect substructure[J].Journal of Crystal Growth,2002(Pt.3):2000-2004. |
| [9] | 赵欣,朱世富,赵北君,陈宝军,孙永强.ZnGeP2的多晶合成与单晶生长研究[J].无机化学学报,2009(01):99-103. |
| [10] | 梁敬魁.粉末衍射法测定晶体结构[M].北京:科学出版社,2003:776-813. |
| [11] | Qiang Fan;Shifu Zhu;Beijun Zhao;Baojun Chen;Zhiyu He;Jiang Cheng;Ting Xu .Influence of annealing on optical and electrical properties of ZnGeP_2 single crystals[J].Journal of Crystal Growth,2011(1):725-728. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%