Si. Kudryashov et al., Appearance of the supercritical state of carbon in the laser evaporation of low-density graphite foil, MENDELEEV C, (6), 1998, pp. 212-214
A high concentration of nonequilibrium defects in crystallites and a low bu
lk density of the graphite foil obtained from thermally expanded graphite f
avour the explosive decomposition of the laser-heated surface layer of the
substance in the supercritical state.