Properties of diamonds seed-grown in the magnesium-carbon system

Special features of the diamond seed-growth in the Mg-C growth system at pressure ≤ 8.2 GPa and a temperature of ∼ 1800–2000°C have been studied. The grown diamonds have been investigated by Raman, photoluminescence, and IR spectroscopies. It has been shown that single crystals produced in this syst...

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Bibliographic Details
Published inJournal of superhard materials Vol. 35; no. 3; pp. 131 - 136
Main Authors Kovalenko, T. V., Ivakhnenko, S. A.
Format Journal Article
LanguageEnglish
Published Heidelberg Allerton Press, Inc 01.05.2013
Subjects
Chemistry
Chemistry and Materials Science
Physical Chemistry
Production
Properties
Structure
magnesium-based systems
silicon
seed
boron
diamond single crystals
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Summary:Special features of the diamond seed-growth in the Mg-C growth system at pressure ≤ 8.2 GPa and a temperature of ∼ 1800–2000°C have been studied. The grown diamonds have been investigated by Raman, photoluminescence, and IR spectroscopies. It has been shown that single crystals produced in this system are type II a +II b conditionally nitrogen-free and the basic impurities are boron and silicon. The reasons for the capture of the basic impurities, B and Si, have been considered.
ISSN:1063-4576
1934-9408
DOI:10.3103/S1063457613030015