Structural imperfections associated with supersaturated vacancies in an HPHT-grown diamond single crystal

被引：0
|
作者：
Yin, Longwei [1 ]
Li, Musen [1 ]
Sun, Dongsheng [1 ]
Yao, Zhangying [1 ]
Cui, Jianjun [1 ]
Hao, Zhaoyin [1 ]
机构：
[1] Sch. of Mat. Sci. and Eng., Shandong Univ., Ji'nan 250061, China
来源：
Journal of Materials Science and Technology | 2001年 / 17卷 / 05期
关键词：
Crystal defects - Crystal structure - High temperature effects - Single crystals - Synthesis (chemical);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A diamond single crystal, which was synthesized at a high temperature of 1570 K and a high pressure of 5.5 GPa in a Fe-Ni-C system, was directly and systematically examined by transmission electron microscopy (TEM). It is found that there exist a variety of imperfections such as dislocation loops, stacking faults, twins and stacking-fault tetrahedral in the diamond, which may be derived from the supersaturated vacancies generated during rapid cooling from high temperature. The formation process of the imperfections is discussed briefly.
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页码：553 / 555
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