Simultaneous effects of pressure and temperature on donor binding energy in Pöschl–Teller quantum well

Abstract

Abstract In the frame of the variational method and the effective-mass approximation, the effects of hydrostatic pressure and temperature on the binding energy for donor impurities in the Poschl–Teller quantum well are studied. The binding energy dependencies on the width of the quantum well, the hydrostatic pressure, the impurity position, the temperature, and the parameters of the confining potential are reported. The results show that the binding energy increases (decreases) with the increasing of the hydrostatic pressure (temperature). It is also found that, associated with the symmetry breaking in the Poschl–Teller quantum well, and depending on the impurity position, the binding energy can increase or decrease.