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VOLUME 61 (1995) | ISSUE 12 | PAGE 1004
Change in the ionization energy of impurities as a result of wave function relocation in a system of quantum wells
The change occurring in the binding energy of the electrons on impurity atoms as a result of the relocation of the wave function in a system of quantum wells in an external electric field, which is longitudinal with respect to the axis of growth of the heterostructure, was investigated. As a result of this effect, the concentration of free charge carriers changes substantially and the lateral conductivity of the system is thereby modulated. © 1995 American Institute of Physics.