Figure 1From: Large size self-assembled quantum rings: quantum size effect and modulation on the surface diffusionGallium droplet characteristics. (a) Droplet density as a function of In0.1 Ga0.9As thickness; inset shows the AFM image of single gallium droplet. (b) The diameter (solid squares) and height (hollow squares) of gallium droplets. (c) The cross profile of gallium droplets.Back to article page