Fullerenes catalyze the graphite-diamond phase transition

Fullerenes catalyze the graphite-diamond phase transition
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富勒烯催化石墨-金刚石相变

DOI：
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发表时间：
2001
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通讯作者：
V. A. Yashin
V. A. Yashin
中科院分区：
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文献类型：
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作者：
A. Vul;V. Davidenko;S. Kidalov;S. S. Ordan’yan;V. A. Yashin

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实验研究了富勒烯对石墨-金刚石相变的影响。在金刚石合成过程中，在相对较低的压力(4.5-5.5 Gpa)和温度(约1200℃)下，在石墨中加入催化量的富勒烯，与只含有石墨或富勒烯的初始装料相比，将石墨转化为钻石的百分比提高了1.8倍。在石墨中加入富勒烯可以降低合成的压力和温度。
The effect of fullerenes on the graphite-diamond phase transition was experimentally studied. Adding a catalytic amount of fullerenes to graphite during the diamond synthesis at relatively low pressures (4.5–5.5 GPa) and temperatures (about 1200°C) increases the percentage graphite to diamond conversion by a factor of 1.8 as compared to the case of an initial charge containing only graphite or fullerene. Adding fullerene to graphite allows the pressure and temperature of the synthesis to be decreased.