Figure 7.

Normalised PL spectra atT= 10 K. Closed circle, undoped sample (GS 1508). Open circles, Mg-doped sample (GS 1989). The GS 1989 spectrum is amplified by 2 × 104.

Balkan et al. Nanoscale Research Letters 2012 7:574   doi:10.1186/1556-276X-7-574
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