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Luminescence dynamics in GaAs/AlAs superlattices near the type-I/type-II crossover

โœ Scribed by W. Langbein; J.M. Hvam; H. Kalt


Book ID
108344617
Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
201 KB
Volume
72-74
Category
Article
ISSN
0022-2313

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Exciton oscillator strength in GaAs/AlAs
โœ I.L. Aleiner; E.L. Ivchenko; V.P. Kochereshko; G.L. Sandler; P. Lavallard; R. Pl ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 139 KB

We present resonance reflectivity measurements performed on graded GaAs/AlAs superlattices in the transitional region from type I to type II. A theory of exciton states and exciton oscillator strength is developed making allowance for the mixing of \(\Gamma_{1}, X_{1}\) and \(X_{3}\) electron states