We report a calculation of the absorption coefficient of donor impurities located at the center of a quasi-1D GaAs quantum well wire with finite confinement potential as a function of photon energies for different wire widths. The theory has been formulated by using suitable variational wave functio
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Finite-Barrier Height Effect on the Polarizability of a Shallow Magneto-Donor in a Quantum Box
โ Scribed by K. El Messaoudi; A. Zounoubi; I. Zorkani; A. Jorio
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 181 KB
- Volume
- 233
- Category
- Article
- ISSN
- 0370-1972
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The binding energy of a donor impurity in a spherical GaAsยฑ(Ga,Al)As quantum dot with parabolic confinement is calculated as a function of the radius of the quantum dot and as a function of the intensity of an applied electric field. Calculations are performed within the effective-mass approximation