简介概要

Synthesis of high grade octahedron diamond through epitaxial growth

来源期刊:中国有色金属学报(英文版)1999年第3期

论文作者:易建宏

文章页码:477 - 480

Key words:high grade; diamond;eqitaxial growth

Abstract: The work was based on the relationship between the crystal structure and parameters of diamonds in the synthetic process, in which Ni-Mn-C powder catalyst was used. At first, the diamond crystals nucleated in a cubic-octahedron morphology through controlling such synthetic parameters as temperature and pressure in a parameter region where cubic-octahedron ctystals can be obtained. Then the diamond nuclei grew epitaxially into crystals with a perfect octahedron morphology through increasing the synthesis temperature and decreasing the synthesis pressure in a parameter region where octahedron crystals can be obtained.

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