Shallow donor impurities in different shaped double quantum wells under the electric field
Abstract
The binding energy of the donor impurity in double triangle quantum well (DTQW), double graded (DGQW) and double square (DSQW) GaAs-(Ga,Al)As quantum wells under the electric field is calculated by using a variational approach. The results have been obtained in the presence electric field applied along the growth direction as a function of the impurity position, barrier width and the geometric shape of the double quantum wells. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Source
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICSVolume
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