Transformations of C<SUB>60</SUB> fullerite under high-pressure high-temperature conditions

V.V. Brazhkin^a, A.G. Lyapin^b
^aInstitute for High Pressure Physics, Russian Academy of Sciences, Kaluzhskoe shosse 14, Troitsk, Moscow, 108840, Russian Federation
^bVereshchagin Institute for High Pressure Physics, Russian Academy of Sciences, Kaluzhskoe shosse 14, Troitsk, Moscow, 108840, Russian Federation

Depending on pressure-temperature conditions, fullerite crystals can transform as to the well-known carbon phases, graphite and diamond, and to new metastable crystalline and amorphous modifications. The mechanical properties, density and structural data of the latter are reviewed. It is concluded that the crystalline C₆₀ phases possess mechanical characteristics 2-3 times lower than that for the diamond; amorphous states of carbon with a large share of the sp³ -configurations have mechanical properties close to those of the diamond. The analysis of current literature enables us to conclude that the diamond has the highest elastic moduli among the carbon materials studied up to date.

PACS: 36.40.Ei, 61.46.+w (all)
DOI: 10.1070/PU1996v039n08ABEH000163
URL: https://ufn.ru/en/articles/1996/8/e/
Web of Science

A1996VH30900005
Citation: Brazhkin V V, Lyapin A G "Transformations of C₆₀ fullerite under high-pressure high-temperature conditions" Phys. Usp. 39 837–840 (1996)

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Оригинал: Бражкин В В, Ляпин А Г «Превращения фуллерита C₆₀ при высоких давлениях и температурах» УФН 166 893–897 (1996); DOI: 10.3367/UFNr.0166.199608e.0893

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Transformations of C60 fullerite under high-pressure high-temperature conditions

Transformations of C₆₀ fullerite under high-pressure high-temperature conditions