Effects of Mg on diamond growth and properties in Fe–C system under high pressure and high temperature condition

Diamond crystal crystallized in Fe–Mg–C system with Archimedes buoyancy as a driving force is established under high pressure and high temperature conditions. The experimental results indicate that the addition of the Mg element results in the nitrogen concentration increasing from 87 ppm to 271 ppm...

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Bibliographic Details
Published in:Chinese physics B 2016-08, Vol.25 (8), p.417-420
Main Author: 黄国锋 郑友进 李战厂 高强 马卓 史思明 姜宝钢 赵赫
Format: Article
Language:English
Subjects:
Buoyancy
Crystallization
Crystals
Diamonds
Driving conditions
Nitrogen
Planes
Spectra
性能
显微拉曼光谱
金刚石晶体
金刚石生长
镁
高压
高温条件
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Summary:Diamond crystal crystallized in Fe–Mg–C system with Archimedes buoyancy as a driving force is established under high pressure and high temperature conditions. The experimental results indicate that the addition of the Mg element results in the nitrogen concentration increasing from 87 ppm to 271 ppm in the diamond structure. The occurrence of the {100}plane reveals that the surface character is remarkably changed due to the addition of Mg. Micro-Raman spectra indicate that the half width of full maximum is in a range of 3.01 cm^-1–3.26 cm^-1, implying an extremely good quality of diamond specimens in crystallization.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/25/8/088104