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Anharmonic periodic modulation in lateral surface superlattices

✍ Scribed by R. Cuscó; M.C. Holland; J.H. Davies; I.A. Larkin; E. Skuras; A.R. Long; S.P. Beaumont


Book ID
118366969
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
398 KB
Volume
305
Category
Article
ISSN
0039-6028

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Magnetotransport in GaAs=AlGaAs quantum wells with ultrashort period (a = 12 nm) unidirectional potential modulation has been studied. Systematic suppression of the exchange enhancement mechanism for quantum Hall spin gap is observed. A reproducible a periodic uctuation of magnetoresistance reminisc