Two-dimensional imaging of III-V quantum dots confinement potential S. Shusterman, A. Raizman, A. Sher, A. Schwarzman, O. Azriel, A. Boag, Y. Rosenwaks, P. L. Galindo and Y. Paltiel EPL, 88 6 (2009) 66003 Published online: 04 January 2010 DOI: 10.1209/0295-5075/88/66003