Figure 3.

Typical PL spectrum obtained and voltage dependence of PL intensity. (a) Typical PL spectrum and (b) PL integrated intensity as a function of applied voltage at 2 K, for B = 0 T and 10-mW laser excitation.

dos Santos et al. Nanoscale Research Letters 2011 6:115   doi:10.1186/1556-276X-6-115
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