Infrared Magneto-Optical Absorption of Shallow Donors in GaAs/GaAsAl Quantum Dots |
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| Authors: | Ka-Di ZHU and Shi-Wei GU |
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| Institution: | 1. International Center for Material Physics, Shengyang 110015, China;
2. Institute of Condensed Matter Physics and Department of Applied Physics Shanghai Jiaotong University, Shanghai 200030, China |
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| Abstract: | Infrared magneto-optical absorption spectra of shallow donor impurity states in GaAs/Ga-AsAl quantum dot are investigated theoretically using the effective-mass, approximation within the strong confinement regime. The numerical results show that for high magnetic fields, the transition energies for (0, 0) + (0, 1) increase linearly with enhancement of magnetic field strength, while the transition energies for (0, 0) → (0, -1) appear to diminish with increasing magnetic field strength. |
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