| 近化学计量比LiNbO3晶体各向畴形态的研究 |
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| 引用本文： | 陈辉,郑燕青,路治平,崔素贤,王绍华,施尔畏.近化学计量比LiNbO3晶体各向畴形态的研究[J].人工晶体学报,2005,34(2):246-249. |
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| 作者姓名： | 陈辉 郑燕青 路治平 崔素贤 王绍华 施尔畏 |
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| 作者单位： | 中国科学院上海硅酸盐研究所,上海,201800 |
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| 基金项目： | 国家“863”项目(No. 2002AA311110)，上海市光科技行动计划项目(No. 015261046)资助 |
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| 摘 要： | 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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| 关 键 词： | 近化学计量比 LiNbO3晶体 畴 形貌 |
| 文章编号： | 1000-985X(2005)02-0246-04 |
Study on Domain Form of Each Direction of the Near-stoichiometric LiNbO3 Crystal |
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| CHEN Hui,ZHENG Yan-qing,LU Zhi-ping,CUI Su-xian,WANG Shao-hua,SHI Er-wei.Study on Domain Form of Each Direction of the Near-stoichiometric LiNbO3 Crystal[J].Journal of Synthetic Crystals,2005,34(2):246-249. |
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| Authors: | CHEN Hui ZHENG Yan-qing LU Zhi-ping CUI Su-xian WANG Shao-hua SHI Er-wei |
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| Abstract: | Domain structure of the near-stoichiometric LiNbO_3 crystal grown by double-crucible pulling method and cut along its each direction is analyzed in this paper. The domain structure was observed by naked eyes and microphotography after the crystal was etched with acid. It was found that there was no domain structure reflected on the a face because of mirror image symmetry, and the etching form unfolded entirely and arrayed tidily along a certain direction on b and c face. This proved that our SLN crystal was grown with single domain. |
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| Keywords: | near-stoichiometric lithium niobate crystal domain morphology |
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