Physics Research International / 2014 / Article / Fig 8

Research Article

Structural and Optical Properties of Germanium Thin Films Prepared by the Vacuum Evaporation Technique

Figure 8

The energy gap (a) for indirect transitions and (b) for direct transitions for amorphous and polycrystalline films.
594968.fig.008a
(a)
594968.fig.008b
(b)