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Figure 1 | Nanoscale Research Letters

Figure 1

From: Effect of periodic number of [Si/Sb80Te20] x multilayer film on its laser-induced crystallization studied by coherent phonon spectroscopy

Figure 1

Transient photo-reflectance changes and corresponding FFT spectra. (a) Transient photo-reflectance changes taken on the amorphous [Si/Sb80Te20]2film at different laser irradiation powers but the same pump power of 15 mW during the measurement. (b) Amplified plot with 15-mW irradiation power. (c) Transient oscillation of COPs retrieved from (a). (d) FFT spectra corresponding to (c).

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