Fig. 4

Oscillations of optic (a) and electronic (b) data measured for the Si₁₀Ge₉₀ drop with triangular pules (8 V, 50 ms), as well as electronic data for the Si₂₅Ge₇₅ (c), and Ge (d) drops with rectangle pulses (7 V, 100 ms), including fittings (red dashed lines) with an exponential decay.