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High-field spin-polarization transition in the Landau bands of quasi-2D electron gases with strong lateral modulation

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High-field spin-polarization transition in the Landau bands of quasi-2D electron gases with strong lateral modulation. / Petit, Florent; Sfaxi, Larbi; Lelarge, Francois; Cavanna, A; Hayne, M ; Etienne, Bernard.

In: EPL, Vol. 38, No. 3, 20.04.1997, p. 225-230.

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Petit, Florent ; Sfaxi, Larbi ; Lelarge, Francois ; Cavanna, A ; Hayne, M ; Etienne, Bernard. / High-field spin-polarization transition in the Landau bands of quasi-2D electron gases with strong lateral modulation. In: EPL. 1997 ; Vol. 38, No. 3. pp. 225-230.

Bibtex

@article{c4593aa0f9c74eb7bb0ed935c3df255b,
title = "High-field spin-polarization transition in the Landau bands of quasi-2D electron gases with strong lateral modulation",
abstract = "2D electron gases, imbedded in a 1D lateral potential (in AlxGa1-xAs), made by a periodic modulation in alloy composition, are obtained by organized epitaxy on vicinal surfaces. The exchange enhancement of the Landau level spin splitting is inhibited up to a strong magnetic field (similar to 6T here). Low-temperature magneto-transport data revealing this effect cannot be explained by disorder but are fully consistent with the large potential gradients associated with the modulation amplitude.",
keywords = "PARTICLE RELAXATION-TIME, MOLECULAR-BEAM EPITAXY, SCATTERING TIME, HETEROSTRUCTURES, SUPERLATTICES, DEPOSITION, ACTIVATION, GROWTH, ARRAYS, LAYER",
author = "Florent Petit and Larbi Sfaxi and Francois Lelarge and A Cavanna and M Hayne and Bernard Etienne",
year = "1997",
month = apr,
day = "20",
doi = "10.1209/epl/i1997-00229-y",
language = "English",
volume = "38",
pages = "225--230",
journal = "EPL",
issn = "0295-5075",
publisher = "IOP Publishing Ltd.",
number = "3",

}

RIS

TY - JOUR

T1 - High-field spin-polarization transition in the Landau bands of quasi-2D electron gases with strong lateral modulation

AU - Petit, Florent

AU - Sfaxi, Larbi

AU - Lelarge, Francois

AU - Cavanna, A

AU - Hayne, M

AU - Etienne, Bernard

PY - 1997/4/20

Y1 - 1997/4/20

N2 - 2D electron gases, imbedded in a 1D lateral potential (in AlxGa1-xAs), made by a periodic modulation in alloy composition, are obtained by organized epitaxy on vicinal surfaces. The exchange enhancement of the Landau level spin splitting is inhibited up to a strong magnetic field (similar to 6T here). Low-temperature magneto-transport data revealing this effect cannot be explained by disorder but are fully consistent with the large potential gradients associated with the modulation amplitude.

AB - 2D electron gases, imbedded in a 1D lateral potential (in AlxGa1-xAs), made by a periodic modulation in alloy composition, are obtained by organized epitaxy on vicinal surfaces. The exchange enhancement of the Landau level spin splitting is inhibited up to a strong magnetic field (similar to 6T here). Low-temperature magneto-transport data revealing this effect cannot be explained by disorder but are fully consistent with the large potential gradients associated with the modulation amplitude.

KW - PARTICLE RELAXATION-TIME

KW - MOLECULAR-BEAM EPITAXY

KW - SCATTERING TIME

KW - HETEROSTRUCTURES

KW - SUPERLATTICES

KW - DEPOSITION

KW - ACTIVATION

KW - GROWTH

KW - ARRAYS

KW - LAYER

U2 - 10.1209/epl/i1997-00229-y

DO - 10.1209/epl/i1997-00229-y

M3 - Journal article

VL - 38

SP - 225

EP - 230

JO - EPL

JF - EPL

SN - 0295-5075

IS - 3

ER -