Photoionization of Shallow Donor Impurities in Finite-Barrier Quantum Wells

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Journal Title, Volume, Page: 
physica status solidi (b)
Year of Publication: 
Khaled Ilawi
Department of Science, Philadelphia University, Sweileh—Jordan
Current Affiliation: 
Associate Prof., Department of Physics, An-Najah National University ·
M- El-Said
Department of Physics, Eastern Mediterranean University, Mersin
Preferred Abstract (Original): 
The dependence of the photoionization cross-section on photon energy is calculated for shallow donors in finite-barrier GaAs/Ga1−xAlxAs quantum wells as well as the binding energy as a function of well width. The effect of a magnetic field is also considered.
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