DX-like centers in Al0.5Ga0.5As0.05Sb0.95
โ Scribed by Polyakov, A. Y. ;Stam, M. ;Milnes, A. G. ;Bochkarev, A. E. ;Pearton, S. J.
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 244 KB
- Volume
- 131
- Category
- Article
- ISSN
- 0031-8965
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We report the successful fabrication of a V-groove Al 0.5 Ga 0.5 As/GaAs/Al 0.5 Ga 0.5 As quantum wire system and the temperature-dependent photoluminescence (PL) measurement. The PL spectra are dominated by four features at 681, 642, 635 and 621 nm attributed to the luminescences from quantum wire,
We use time-resolved photoluminescence spectroscopy to probe the relaxation of excited states in In 0.5 Al 0.04 Ga 0.46 As/Al 0.08 Ga 0.92 As self-assembled quantum dots. The relaxation rate of excitons confined to the quantum dots increases by nearly an order of magnitude as the energy of the state