近化学计量比LiNbO3晶体各向畴形态的研究

人工晶体学报, 2005, 34(2): 246-249. doi: 10.3969/j.issn.1000-985X.2005.02.012

近化学计量比LiNbO3晶体各向畴形态的研究

陈辉 ^1, , 郑燕青 ^2, , 路治平 ^3, , 崔素贤 ^4, , 王绍华 ^5, , 施尔畏 ^6,

1.中国科学院上海硅酸盐研究所,上海,201800

2.中国科学院上海硅酸盐研究所,上海,201800

3.中国科学院上海硅酸盐研究所,上海,201800

4.中国科学院上海硅酸盐研究所,上海,201800

5.中国科学院上海硅酸盐研究所,上海,201800

6.中国科学院上海硅酸盐研究所,上海,201800

基金项目: 国家高技术研究发展计划(863计划)(2002AA311110) 上海市科委资助项目(015261046)

关键词：近化学计量比 , LiNbO3晶体 , 畴 , 形貌

Study on Domain Form of Each Direction of the Near-stoichiometric LiNbO3 Crystal

本文对采用双坩埚提拉法生长的近化学计量比LiNbO3晶体沿其各向切块腐蚀后通过直接观察和在金相显微镜下观察,对其各个面的畴结构进行了分析.我们发现晶体a面上由于镜相对称不反映畴结构,b面和c面上的腐蚀形貌则完全显露而且按一定的方向整齐地排列,证明我们生长的SLN晶体是完全单畴结构的晶体.

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近化学计量比LiNbO3晶体各向畴形态的研究

Study on Domain Form of Each Direction of the Near-stoichiometric LiNbO3 Crystal

参考文献