新型非线性光学晶体BaAlBO_3F_2的生长及组分挥发的研究  

Study on Growth and Volatility of New Nonlinear Optical BaAlBO_3F_2 Crystal

作　　者：纪丽娜[1] 傅佩珍[1] 李云阁[1] 蒋世超[1] 胡章贵[1] Ji, Li-Na; Fu, Pei-Zhen; Li, Yun-Ge; Jiang, Shi-Chao; Hu, Zhang-Gui

机构地区：[1]中国科学院理化技术研究所北京人工晶体研究与发展中心

出　　处：《人工晶体学报》2006年第1期6-10,共5页Journal of Synthetic Crystals

基　　金：国家自然科学基金资助项目(No.50472086)

摘　　要：采用高温熔液法生长BaA lBO3F2晶体(简称BABF)时,组分挥发严重。本文分析了晶体生长前后的组分中相关元素的重量损失,发现易挥发的物质可能是硼的氧化物和氟化物;X射线衍射分析确定挥发物中还含有少量的NaC l。通过改变助熔剂与熔质的配比,明显降低了晶体的生长温度,减少了组分挥发,优化了晶体生长条件,得到24mm×20mm×6mm尺寸的晶体。BaAlBO3F2 crystal（BABF） was grown by the high temperature solution method. The volatility was obvious during the crystal growth. The loss of relevant elements was found during the crystal growth through analytical chemistry methods. The main volatile was borides and NaC1 was also proved in the volatile by X-ray diffraction. Volatility and growth temperature were decreased obviously through change of the ratio of solute and fluxs and a crystal with dimensions of 24mm × 20mm × 6mm was obtained.

关 键 词：BABF晶体 晶体生长 组分挥发 X射线衍射 

分 类 号：O781[理学—晶体学]