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《Journal of Materials Engineering》 2009-04
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Synchrotron Radiation Topographic Study of Crystal Defects in Synthetic Diamond

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)  
Crystal defects in a synthetic diamond were studied using continuous spectra synchrotron ra-diation.A seed crystal was observed in the specimen.It was found that a large amount of dislocations in the crystal was originated from the surface of the seed and ended at the surface of the crystal.The directions of the dislocations and the density of the dislocations were calculated.The growth course of the crystal and the main factors affecting the crystal defects were discussed.The defect density of syn-thetic diamond could be reduced effectively and the integrality of the synthetic diamond could be effec-tively enhanced if the defects on the surface of the seed could be reduced and the stabilization of growth condition could be kept.
【CateGory Index】: O77
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【Citations】
Chinese Journal Full-text Database 3 Hits
1 YU Wanli1 TIAN Yulian2 1 (College of Material Science and Engineering, Yanshan University, Qinhuangdao 066004) 2 (Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039);Calculation of crystal defects direction with white synchrotron radiation[J];Nuclear Techniques;2003-03
2 Yu Wanli 1 Zheng Qiuju 1 Tian Yulian 2 Huang Wanxia 2 (1. College of Material Science and Engineering, Yanshan University, Qinhuangdao 066004; 2. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039);THE SYNCHROTRON RADIATION TOPOGRAPHIC FEATURES OF GROWN-IN DISLOCATIONS IN NATURAL DIAMOND[J];Acta Mineralogica Sinica;2002-03
3 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);RESEARCH ON STACKING FAULTS IN SYNTHESIZED DIAMOND CRYSTALS BY SYNCHROTRON RADIATION TOPOGRAPHY[J];Acta Mineralogica Sinica;2003-02
【Co-citations】
Chinese Journal Full-text Database 2 Hits
1 CHEN Mei-hua~1, CHEN Zheng~1, DI Jing-ru~1, LU Feng-xiang~2, WU Xiang~3 1.Gemmological Institute, China University of Geosciences, Wuhan430074, China 2.Faculty of Earth Sciences, China University of Geosciences, Wuhan430074, China 3.Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing100039, China;Structure Defects in Type Ⅰa Brown Diamonds by Polychromatic Synchrotron Radiation Topography[J];;2005-02
2 GONG Ping1,CHEN Tao1,WU Xiang2(1.School of Earth and Space Sciences, Peking University, Beijing 100871,China; 2.Beijing Synchrotron Radiation Facility,Institute of High Energy Physics, Chinese Academy of Sciences,Beijing 100039,China);Natural Diamond with Seed Crystal from Hunan Province and Its Study with Synchrotron Radiation X-Ray Diffraction Topography[J];Geological Science and Technology Information;2005-03
【Secondary Citations】
Chinese Journal Full-text Database 2 Hits
1 Guo Qizhi Yu Wanli (Northeast University of Technology, Shenyang, 110006);X-RAY DIFFRACTION AND TOPOGRAPHIC STUDIES OF NATURAL DIAMOND[J];Acta Mineralogica Sinica;1992-02
2 Yu Wanli\+1\ Li Lanjie\+2\ Tian Yulian\+3\ Jiang Jianhua\+3\ Huang Wanxia\+3 (1. College of Materials Science, Yanshan University, Qinhuangdao 066004; 2. Northeastern University, Shenyang 110006; 3. Institute of High Energy Physics, Chinese Academy of;THE NORMAL GROWTH PARALLEL TO {100} IN NATURAL DIAMOND[J];Acta Mineralogica Sinica;2001-01
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