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Oscillations of 2D electron density in GaAs/Ga 0.67 Al 0.33 As heterostructures in the QHE regime

✍ Scribed by Raymond, A; Juillaguet, S; Elmezouar, I; Zawadzki, W; Sadowski, M L; Kamal-Saadi, M; Etienne, B


Book ID
121447335
Publisher
Institute of Physics
Year
1999
Tongue
English
Weight
153 KB
Volume
14
Category
Article
ISSN
0268-1242

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## Shubnikov-de Haas (SdH) measurements were performed on a 200 A laver of pseudomorphic InD.lDGaD.gDAs grown by molecular beam epitaxy on undoped GaAs with an overlayer of A10.15GaO.85As. The AlGaAs consists of a spacer and a heavily doped layer. Measurements were taken in magnetic fields up to