| DKDP晶体的柱面形貌与缺陷分析 |
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| 引用本文： | 郝秀红,常新安,臧和贵,陈学安,田玉莲. DKDP晶体的柱面形貌与缺陷分析[J]. 人工晶体学报, 2005, 34(5): 894-897 |
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| 作者姓名： | 郝秀红 常新安 臧和贵 陈学安 田玉莲 |
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| 作者单位： | 北京工业大学材料科学与工程学院,北京,100022;中国科学院高能物理研究所,北京,100039 |
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| 基金项目： | 北京市自然科学基金（No.2032005）;北京市委组织部优秀人才专项培养基金资助 |
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| 摘 要： | 采用原子力显微镜观测全方位生长的DKDP晶体的{100}面形貌,发现有螺旋位错,由此推断DKDP晶体{100}面以螺旋位错机制生长;利用同步辐射X射线白光形貌术观测了DKDP晶体缺陷,探讨了不同生长条件及生长阶段对晶体完整性的影响.
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| 关 键 词： | DKDP晶体 螺旋位错 同步辐射白光形貌术, |
| 文章编号： | 1000-985X（2005）05-0894-04 |
| 收稿时间： | 2005-04-22 |
| 修稿时间： | 2005-04-22 |
Study on Prismatic Morphology and Defects of DKDP Crystals |
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| HAO Xiu-hong,CHANG Xin-an,ZANG He-gui,CHEN Xue-an,TIAN Yu-lian. Study on Prismatic Morphology and Defects of DKDP Crystals[J]. Journal of Synthetic Crystals, 2005, 34(5): 894-897 |
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| Authors: | HAO Xiu-hong CHANG Xin-an ZANG He-gui CHEN Xue-an TIAN Yu-lian |
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| Affiliation: | 1. College of Material Science and Engineering,Beijing University of Technology,Beijing 100022 ,China; 2. Beijing Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039 ,China |
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| Abstract: | By observing the {100} faces morphology of DKDP crystal grown in all three dimensions with atom force microscope, screw dislocations were found. So it is deducted that the crystal growth on the {100} face complies with screw dislocation mechanism. The defects in the crystals were observed and analyzed by synchrotron radiation X-ray white-beam topography. And the influences of various growth conditions and stages on the perfection of growing DKDP crystal are approached. |
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| Keywords: | DKDP crystal screw dislocation synchrotron radiation X-ray white-beam topography |
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