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Nanosystems: Physics, Chemistry, Mathematics, 2020, Volume 11, Issue 4, Pages 408–416
DOI: https://doi.org/10.17586/2220-8054-2020-11-4-408-416 (Mi nano540) 		 
CHEMISTRY AND MATERIAL SCIENCE

Supercritical fluid synthesis and possible properties of “cubic graphite”

A. V. Pokropivnyab, A. N. Enyashinc, A. S. Smolyarda, V. A. Kutse, V. G. Gurine, S. A. Antipove, P. M. Silenkoa, Yu. M. Solonina

a Frantsevich Institute for Problems of Materials Science NASU, Kyiv, Ukraine
b G. V. Kurdyumov Institute for Metal Physics, NASU, Kyiv, Ukraine
c Institute of Solid State Chemistry UB RAS, Ekaterinburg, Russia
d M.P. Semenenko Institute of Geochemistry, Mineralogy and Ore Formation NASU, Kyiv, Ukraine
e Institute of Magnetism NASU, Kyiv, Ukraine
Full-text PDF (1402 kB)
DOI: https://doi.org/10.17586/2220-8054-2020-11-4-408-416
URL: http://nanojournal.ifmo.ru/en/articles-2/volume11/11-4/chemistry/paper05/
Abstract: We report on supercritical fluid synthesis of an intermediate carbon phase–austite–at a pressure of 180 MPa and temperatures 500-700$^\circ$C from soot as a precursor and supercritical carbon dioxide as a solvent. According to the results of electron and X-ray diffractions, spectral measurements and density-functional theory calculations, the observed carbon phase is proved to be cubic with a lattice parameter value of 8.96 $\pm$ 0.05 Å and a possible structural type as for KFI zeolite.
Keywords: crystal growth, carbon allotropes, electron microscopy, X-ray diffraction, DFT calculations.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation AAAAA19-119031890025-9
Deutsche Forschungsgemeinschaft
We acknowledge M. Czank and W. Depmeier for their assistance with Electron diffraction method according to DFG visiting grant. A.E. acknowledges a support from ISSC UB RAS (theme AAAAA19-119031890025-9).
Received: 15.06.2020
Revised: 10.07.2020
Bibliographic databases:
Document Type: Article
Language: English
Citation: A. V. Pokropivny, A. N. Enyashin, A. S. Smolyar, V. A. Kuts, V. G. Gurin, S. A. Antipov, P. M. Silenko, Yu. M. Solonin, “Supercritical fluid synthesis and possible properties of “cubic graphite””, Nanosystems: Physics, Chemistry, Mathematics, 11:4 (2020), 408–416
Citation in format AMSBIB
\Bibitem{PokEnySmo20}
\by A.~V.~Pokropivny, A.~N.~Enyashin, A.~S.~Smolyar, V.~A.~Kuts, V.~G.~Gurin, S.~A.~Antipov, P.~M.~Silenko, Yu.~M.~Solonin
\paper Supercritical fluid synthesis and possible properties of ``cubic graphite''
\jour Nanosystems: Physics, Chemistry, Mathematics
\yr 2020
\vol 11
\issue 4
\pages 408--416
\mathnet{http://mi.mathnet.ru/nano540}
\crossref{https://doi.org/10.17586/2220-8054-2020-11-4-408-416}
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\elib{https://elibrary.ru/item.asp?id=46747757}
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