Confined and Interface Phonon-Induced Shift in Shallow Donor Binding Energy of Quantum Wires
β Scribed by A.L. Vartanian; A.L. Asatrian
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 138 KB
- Volume
- 210
- Category
- Article
- ISSN
- 0370-1972
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π SIMILAR VOLUMES
Within the effective-mass approximation a simple method to calculate the spectra of a shallowdonor impurity in GaAsΒ±(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
Using a variational approach within the effective mass approximation we calculate the binding energy of the ground and some excited donor impurity states in quantum-well wires with rectangular and cylindrical transversal sections under the action of applied electric fields. We study the binding ener