Figure 2From: Energy state of InGaAs quantum dots on SiO2-patterned vicinal substrateμ-PL spectra at 4.0 K of the In 0.8 Ga 0.2 As SAQDs ensemble grown on SiO 2 -patterned exact (001) GaAs substrates with W (001) of (a) 20, (b) 40, (c) 70, (d) 100, and (e) 140 nm, respectively.Back to article page