Shock-wave micron-size diamond synthesis from fullerenes
- Federal Scientific Center, Moscow (Russian Federation); and others
Shock-wave synthesis of micron-size diamond is performed from fullerenes C{sub 60} -- C {sub 150} powders using the explosive compaction technique with plane shock-wave loading at different pressures in the range of 24-40 GPa. The compacts of different initial compositions consisted of diamond, fcc fullerite C{sub 60}, graphite and amorphous carbon. The most coarse diamond grains sized up to 6 {mu}n were formed at the shock pressure of 24 and 40 GPa in the compacts of initial powder mixture copper-5 mass.% fullerite and at shock pressure of 40 GPa in the compact of initial powder mixture copper - 10 mass.% fullerite. Shock-wave synthesis of diamond is performed without forming intermediate diamond-like phases, such as n-diamond and lonsdaleite (hexagonal diamond) in the final products.
- OSTI ID:
- 230080
- Report Number(s):
- CONF-950840--
- Country of Publication:
- United States
- Language:
- English
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Shock-wave synthesis of micron-sized diamonds from fullerenes
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