Figure 3.

Left panel: Dependence on sample position of the micro-PL emission of the TCQRs. The spectra were measured at T = 15 K, λexc = 532 nm and Pexc = 5 W/cm2. The color scale is in arbitrary units. Right panel: Micro-PL spectra at positions corresponding to white lines on the scan.

Abbarchi et al. Nanoscale Research Letters 2011 6:569   doi:10.1186/1556-276X-6-569
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