Stark shift and dissociation process of an ionized donor bound exciton in spherical quantum dotsF. Dujardin, E. Feddi, E. Assaid and A. OukerroumEur. Phys. J. B, 74 4 (2010) 507-516DOI: https://doi.org/10.1140/epjb/e2010-00113-7