Effect in Changes of Conduction and Valence Band Offsets on Exciton Binding Energy in Cd_xZn_(1-x)Se/ZnS_ySe_(1-y) Single Quantum Wells

摘要

We calculate the induced-strain effects in Cd_xZn_(1-x)Se/ZnS_ySe_(1-y) single quantum wells (SQWs). The conduction (V_c) and valence (V_h) band offsets in this system depend greatly on the alloy contents x and y. The variation in exciton binding energy due to the variations in V_c and V_h with varying y is very small.