Abstract
This paper presents analysis of structural changes in powders consisting of turbostratic carbon spheres with an average particle diameter of 250 and 25 nm after high-temperature, high-pressure processing at a pressure of 8 GPa. It has been shown that marked ordering of graphene sheets is observed at 1300°C and actively proceeds at higher temperatures. The major morphological species in the samples after processing is slabs of graphene sheets, and three-dimensional structural perfection is higher at the smaller particle size. Using high-resolution electron microscopy, samples of this powder were shown to contain diamond nanocrystallites.
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Original Russian Text © V.P. Filonenko, I.P. Zibrov, M.V. Trenikhin, P.E. Pavlyuchenko, A.B. Arbuzov, V.A. Drozdov, V.A. Likholobov, 2017, published in Neorganicheskie Materialy, 2017, Vol. 53, No. 5, pp. 463–470.
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Filonenko, V.P., Zibrov, I.P., Trenikhin, M.V. et al. Structural and morphological transformations of carbon nanospheres during high-temperature, high-pressure processing. Inorg Mater 53, 462–468 (2017). https://doi.org/10.1134/S0020168517050065
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DOI: https://doi.org/10.1134/S0020168517050065