Donor binding energies in quantum dots
β Scribed by F.J Ribeiro; A Latge
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 189 KB
- Volume
- 93
- Category
- Article
- ISSN
- 0038-1098
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π SIMILAR VOLUMES
A wavefunction is proposed for calculating the ground-state energy of a screened donor in a spherical quantum dot under a parabolic potential by a variational method. The donor is taken to be at the center of the quantum dot. Results are presented for four values of the screening parameter by the pr
The binding energy of a donor impurity in a spherical GaAsΒ±(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