Fig. 1From: Detecting Spatially Localized Exciton in Self-Organized InAs/InGaAs Quantum Dot Superlattices: a Way to Improve the Photovoltaic Efficiency a Schematic layer structure of the five-layer stacked InAs/InGaAs QDs SC grown on (001) n+-GaAs substrate. b RHEED patterned after growth of 2.5 ML of InAs (three-dimensional growth). c RHEED patterned during growth of 5 nm InGaAs (two-dimensional growth) [10]Back to article page