Figure 3.

Theoretical PL spectra atT=2 K for the same system described in Figure1. With fixed d1 = 3 nm for (a)NA = 2 × 1018 cm−3 and (b) NA = 6 × 1018 cm−3. The well width is varied for d2 = 2 nm (solid line), 3 nm (dashed line), 4 nm (dotted line), and 6 nm (dot-dashed line).

de Oliveira et al. Nanoscale Research Letters 2012 7:607   doi:10.1186/1556-276X-7-607
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