Abstract
We present a theoretical approach, based on the effective mass approximation model, onthe quantum-confinement Stark effects for spherical semiconducting quantum dots in theregime of strong confinement of interactive electron–hole pairs and limiting weak electricfield. The respective roles of Coulomb potential and polarization energy are investigated indetail. Under reasonable physical assumptions, analytical calculations can be performed.They show that the Stark shift is a quadratic function of the electric field amplitude in thisregime. The computed numerical values obtained from this approach are found to be ingood agreement with experimental data over a significant domain of quantum dotsizes.
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