Research Article

Photoreflectance Spectroscopy Characterization of Ge/Si0.16Ge0.84 Multiple Quantum Wells on Ge Virtual Substrate

Figure 4

The temperature variations of various transition energies for (a) Ge bulk and (b) Ge/Si0.16Ge0.84 MQW structure with representative error bars. The dashed curves are least-squares fits to the Varshni semiempirical expression. Solid curves are the least-squares fits to the Bose-Einstein expression.
298190.fig.004a
(a) ā€‰ Ge bulk
298190.fig.004b
(b) Ge/Si0.16Ge0.84 MQW