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Quantum beats in the exciton emission of type II GaAs/AlAs quantum wells

โœ Scribed by W.A.J.A. van der Poel; A.L.G.J. Severens; C.T. Foxon

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
430 KB
Volume
76
Category
Article
ISSN
0030-4018

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Effect of well width variation on type-I
Effect of well width variation on type-I/type-II photoluminescence in GaAs/AlAs single quantum wells
โœ L.J. Blue; T. Daniels-Race; C.N. Yeh; L.E. McNeil ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 197 KB

We have investigated type-I/type-II transitions in MBE-grown 20, 35, and 50 A หšGaAs/AlAs single quantum wells using photoluminescence (PL) spectroscopy. The 20 and 50 A หšwells show a type-I peak, while the 35 A หšwell has PL peaks corresponding to both type-I and type-II transitions. Peak assignment