Screening effect on polarizabilities of shallow donors and acceptors in finite‐barrier quantum wells
- Publication Type
- Original research
- Authors
- Khaled Ilawi
- Fulltext
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Polarizabilities of shallow donors and acceptors in finite-barrier GaAs/Ga1−xAlxAs quantum wells are calculated using Hasse's variational method within the effective mass approximation. The effect of spatially dependent screening on polarizabilities is taken into account with an r-dependent dielectric response. It is shown that spatially dependent screening effects can be more important for acceptors than for donors in GaAs/Ga1−xAlxAs quantum wells. The effects of electric and magnetic fields on binding energy are also studied.
Journal
- Title
- physica status solidi (b)
- Publisher
- --
- Publisher Country
- Palestine
- Publication Type
- Both (Printed and Online)
- Volume
- --
- Year
- 1996
- Pages
- --