Low-Nitrogen Diamond Growth in the Fe–C–S System

Low-Nitrogen Diamond Growth in the Fe–C–S System

The first results on diamond growth in the Fe–С–S system with 1 wt % S (relative to Fe) at 6 GPa and 1450°C have been reported. The diamonds obtained contain about 30 ppm N, on average, and belong to the low-N transition diamond group Ib–IIa. It has been suggested that the reduction conditions forme...

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Veröffentlicht in:Doklady earth sciences 2020-09, Vol.494 (1), p.696-698
Hauptverfasser: Zhimulev, E. I., Babich, Yu. V., Karpovich, Z. A., Chepurov, A. I., Pokhilenko, N. P.
Format: Artikel
Sprache:eng
Schlagworte:
Diamonds
Earth and Environmental Science
Earth Sciences
Geology
Geosciences, Multidisciplinary
Iron
Kimberlite
Mineralogy
Nitrogen
Physical Sciences
Science & Technology
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Zusammenfassung:The first results on diamond growth in the Fe–С–S system with 1 wt % S (relative to Fe) at 6 GPa and 1450°C have been reported. The diamonds obtained contain about 30 ppm N, on average, and belong to the low-N transition diamond group Ib–IIa. It has been suggested that the reduction conditions formed by certain active elements such as S can play an important role in the formation of natural low-N diamonds.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X20090226