Sharp-line photoluminescence of excitons localized at GaAs/AlGaAs quantum well inhomogeneities
✍ Scribed by Tränkle, G.; Weimann, G.; Brunner, K.; Abstreiter, G.; Böhm, G.
- Book ID
- 121679966
- Publisher
- American Institute of Physics
- Year
- 1994
- Tongue
- English
- Weight
- 622 KB
- Volume
- 64
- Category
- Article
- ISSN
- 0003-6951
- DOI
- 10.1063/1.111265
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In order to model the very recent experimental data on the relaxation kinetics and photoluminescence (PL) dynamics of indirect excitons in high-quality GaAs/AlGaAs coupled quantum wells (QWs) at extremely low bath temperatures T b ¼ 0:05 K, we analyze, both analytically and numerically, the relevant
Magneto-photoluminescence (PL) experiments of very thin GaAs/Al 0.3 Ga 0.7 As quantum wells were performed in a magnetic field (B) of up to 20 T. It has been observed that the diamagnetic shift changes abruptly from β B 2 to α B around 5 T as B increases, and both α and β become larger as the well-w