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The influence of surface segregation on the optical properties of quantum wells

โœ Scribed by de la Cruz, G. Gonzalez


Book ID
115548070
Publisher
American Institute of Physics
Year
2004
Tongue
English
Weight
375 KB
Volume
96
Category
Article
ISSN
0021-8979

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Influence of the cap layer thickness on
โœ J. Dreybrodt; F. Faller; A. Forchel; J.P. Reithmaier ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 280 KB

We present photoluminescence investigations of GalnAs/GaAs quantum wells with thin cap layers ranging from 20 nm in thickness down to a complete cap layer removal. We observe a strong blue shift of up to 35 meV for an uncovered surface quantum well. A further shift up to the GaAs band edge can be ob