Figure 3.

Experimental and theoretical values of energy gap and B. (a) Experimental values (diamonds) of energy gap in a-Ge QW versus thickness, fitted through effective mass theory (solid line). (b) Experimental values of B (diamonds, left axis) compared with the calculated trend [9] for the oscillator strength (OS) in Ge QWs (line, right axis). Inset shows the linear correlation between B and OS.

Cosentino et al. Nanoscale Research Letters 2013 8:128   doi:10.1186/1556-276X-8-128
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