Research Article

Ge/Si Quantum Dots Superlattices Grown at Different Temperatures and Characterized by Raman Spectroscopy and Capacitance Measurements

Figure 3

The quantum dot optical phonon wavenumbers as a function of the excitation energy for the four samples grown at (a) 300°C, (b) 400°C, (c) 500°C, and (d) 600°C.
176053.fig.003a
(a)
176053.fig.003b
(b)
176053.fig.003c
(c)
176053.fig.003d
(d)