Binding energy of shallow donors in asymmetrical systems of quantum wells
✍ Scribed by V. I. Belyavskii; M. V. Gol’dfarb; S. V. Shevtsov; Yu. V. Kopaev
- Book ID
- 110119585
- Publisher
- Springer
- Year
- 1997
- Tongue
- English
- Weight
- 117 KB
- Volume
- 31
- Category
- Article
- ISSN
- 1063-7826
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📜 SIMILAR VOLUMES
Using a variational procedure within the effective-mass approximation we have calculated the binding energies of shallow-donor impurities in cylindrical GaAs quantum-well wires, in an axial magnetic field and an infinite confinement potential. In contrast to the previous results in quantum wells, we
Within the effective-mass approximation a simple method to calculate the spectra of a shallowdonor impurity in GaAs±(Ga, Al)As cylindrical quantum-well wires (QWWs) suitable for any confinement potential shape in radial direction is proposed. A trial function is taken as the product of a hydrogenic