Transformation of C60 fullerenes into a superhard form of carbon at moderate pressure
- 6 March 1995
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 66 (10) , 1199-1201
- https://doi.org/10.1063/1.113856
Abstract
A very hard and conducting form of carbon has been obtained from pure C60 fullerenes, as well as its mixture with aluminium at nonhydrostatic pressures of 2.6–3 GPa and a temperature of 700 °C. The hardness of the material is more than 4000 kg/mm2. Its electrical conductivity is about 100 Ω−1 cm−1 and is weakly dependent on temperature in the range 4.2–300 K. X‐ray diffraction and Raman measurements show lack of the long‐range crystalline order in the transformed material.Keywords
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