Figure 2From: Effect of periodic number of [Si/Sb80Te20] x multilayer film on its laser-induced crystallization studied by coherent phonon spectroscopyTransient oscillation of COPs (left) and the corresponding FFT spectra (right). (a) [Si/Sb80Te20]1 film and (b) [Si/Sb80Te20]10 film under different laser irradiation powers.Back to article page