| ZnO晶体生长新方法研究 |
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| 引用本文： | 李新华,徐家跃,申慧,李效民. ZnO晶体生长新方法研究[J]. 无机材料学报, 2007, 22(1): 21-24. DOI: 10.3724/SP.J.1077.2007.00021 |
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| 作者姓名： | 李新华 徐家跃 申慧 李效民 |
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| 作者单位： | 1. 中国科学院上海硅酸盐研究所, 上海 200050; 2. 中国科学院研究生院, 北京 100049 |
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| 摘 要： | 基于ZnO-PbF2高温溶液体系的相关系和析晶行为, 发展了一种通气诱导成核的助熔剂-坩埚下降法生长技术. 通过优化生长参数, 获得了尺寸为φ25mm×5mm的ZnO晶体. 该晶体具有纤锌矿结构, 晶格常数a=0.3252nm, b=0.5209nm. X射线定向确认其择优取向生长方向为[0001]. 实验结果表明, 助熔剂-坩埚下降法是ZnO晶体生长的一条新途径.
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| 关 键 词： | ZnO晶体 晶体生长 助熔剂 坩埚下降法 |
| 文章编号： | 1000-324X（2007）01-0021-04 |
| 收稿时间： | 2006-02-15 |
| 修稿时间： | 2006-02-152006-04-05 |
Novel Approach to Grow ZnO Bulk Crystals |
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| LI Xin-Hua,XU Jia-Yue,SHEN Hui,LI Xiao-Min. Novel Approach to Grow ZnO Bulk Crystals[J]. Journal of Inorganic Materials, 2007, 22(1): 21-24. DOI: 10.3724/SP.J.1077.2007.00021 |
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| Authors: | LI Xin-Hua XU Jia-Yue SHEN Hui LI Xiao-Min |
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| Affiliation: | 1. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China; 2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | Base on the crystallization behavior of the ZnO-PbF2 system, a flux Bridgman growth technique with a gas cooling system was developed for the growth of ZnO crystal. By optimizing the growth parameters, transparent ZnO crystal with the size of φ25mm×5mm was obtained from the high temperature solutions. As-grown crystal has wurtzite structure with lattice parameters a=0.3252nm and b=0.5209nm, respectively. The preferred growth direction of the ZnO crystals is [0001] determined by X-ray orientation. The growth results show that the flux Bridgman method is a potential approach to grow large size ZnO crystals at low cost. |
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| Keywords: | ZnO crystal crystal growth flux bridgman technique |
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