Driving forces for diamond and graphite growth in CH4/H2 mixtures are calculated in consideration of activated effect of super-equilibrium atom hydrogen on graphite under 4.8 kPa pressure.

• 以CH4／H2体系为例，研究了气相生长金刚石和石墨的驱动力随温度和CH4的摩尔分数的变化情况若不考虑超平衡氢原子的作用，则石墨的生长驱动力总是大于金刚石的生长驱动力；