Effect of fullerenes on the activation energy of the graphite-diamond phase transition |
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| Authors: | F M Shakhov S V Kidalov |
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| Institution: | 1. Ioffe Physical-Technical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia
2. Lappeenranta University of Technology, Skinnarilankatu 34, Lappeenranta, 53850, Finland
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| Abstract: | The modification of graphite used in diamond synthesis with low concentrations of the fullerene C60-C70 extract (from 0.045 to 0.225 wt % of graphite mass) in the presence of a Ni-Mn metal catalyst at a pressure of 5 GPa in the temperature range 1600–1800 K is found to decrease the activation energy of the graphite-diamond phase transition from 160 ± 40 to 100 ± 40 kJ/mol. |
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