Figure 2From: Properties of nanocones formed on a surface of semiconductors by laser radiation: quantum confinement effect of electrons, phonons, and excitons AFM images of irradiated Si 0.7 Ge 0.3 solid solution. AFM images of Si0.7Ge0.3 surfaces irradiated by the Nd:YAG laser at intensity (a) 2.0 MW/cm2; (b) 7.0 MW/cm2 and (c) 20.0 MW/cm2.Back to article page