Figure 2.

Binding energy of the ground stateEbas a function of effective width of quantum well The impurity position pinned atz0 = 0. Three points selected on the curve correspond toF = 10 MV/cm, 5 MV/cm, and 1 MV/cm, respectively

Wang et al. Nanoscale Research Letters 2009 4:1315-1318   doi:10.1007/s11671-009-9398-3