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Figure 1 | Nanoscale Research Letters

Figure 1

From: Single-dot Spectroscopy of GaAs Quantum Dots Fabricated by Filling of Self-assembled Nanoholes

Figure 1

a Top view AFM image of an AlGaAs surface after LDE with Al droplets at T = 620°C. ArrowA” marks a shallow hole and “B” a deep hole. b Top view AFM image of an AlGaAs surface after LDE with Ga droplets at T = 620°C. c Profile and 3D view of the shallow holeA” in (a). d Profile and 3D view of the deep holeB” in (a), e Schematic cross-section of a shallow-hole QD (type I sample). f Schematic cross-section of a deep-hole QD (type II sample)

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