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《Acta Mineralogica Sinica》 2003-02
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RESEARCH ON STACKING FAULTS IN SYNTHESIZED DIAMOND CRYSTALS BY SYNCHROTRON RADIATION TOPOGRAPHY

YU Wan-li 1 LUO Yon-gan 1 TIAN Yu-lian 2 JIA Xiao-peng 3(1. College of Material Science, Yanshan University, Qinhuangdao 066004, China; 2 Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China; 3 State Key Laboratory for Superhard Materials, Jilin University, Changchun 130023, China)  
Planar crystal defects in a synthesized diamond were studied by synchrotron radiation topography. Several stacking faults and a tetrahedron composed of two stacking faults in triangular were observed within the crystal. The direction index of each boundary of the faults was calculated and so was the planar index of the stacking faults. The displacement vectors of the stacking faults were determined by the disappearing image laws of the faults. All the stacking faults possess the characters of both frank and shockley types with only one exception. The forming mechanism of the faults was discussed. The stacking faults vary in size between 0.68 and 1 15 mm, which have not yet been found in both synthesized and natural diamonds.
【Fund】: 北京正负电子对撞机国家实验室重点课题基金资助项目;; 河北省教育厅博士基金资助项目;; 燕山大学博士基金资助项目
【CateGory Index】: O77
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【References】
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1 ZHANG Ming1,YU Wan-li1,JIA Xiao-peng2,MA Hong-an2,HUANG Wan-xia3,YUAN Qing-xi3(1 State Key Laboratory of Metastable Materials Science and Technology,Yanshan University,Qinhuangdao 066004,Hebei,China;2 State Key Laboratory for Superhard Materials,Jilin University,Changchun 130023,China;3 Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100039,China);Synchrotron Radiation Topographic Study of Crystal Defects in Synthetic Diamond[J];Journal of Materials Engineering;2009-04
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Chinese Journal Full-text Database 2 Hits
1 YU Wan li 1,TIAN Yu lian 2, HUANG Wan xia 2 (1.School of Materials and Chemistry,Yanshan University, Qinhuangdao 066004, China; 2. Institute of High Energy Physics, Academica Sinica, Beijing 100039, China);Study of structural imperfections in natural type-Ⅰ diamonds by synchrotron radiation topography[J];Journal of Functional Materials;2001-06
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