Effect of disorder on the density of states of a two-dimensional electron gas under magnetic field

S. Bonifacie; Ym Meziani; Christophe Chaubet; Benoit Jouault; Andre Raymond

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Effect of disorder on the density of states of a two-dimensional electron gas under magnetic field

S. Bonifacie, Ym Meziani, Christophe Chaubet, Benoit Jouault et Andre Raymond

PHYSICA B-CONDENSED MATTER, Vol.346, pp.455-459

7th International Symposium on Research in High Magnetic Fields (Toulouse (FRANCE), France, 20/07/2003)

2004

Résumé

two-dimensional electron gas

disorder

TWO-DIMENSIONAL SYSTEM

QUANTUM TRANSPORT

RANGE SCATTERERS

LOCALIZATION

HETEROSTRUCTURES

TRANSITION

We have calculated the density of states (DOS) of a two-dimensional electron gas in a perpendicular magnetic field, using a multiple scattering method, in the ultraquantum limit. We have considered doped and disordered 2D systems. The results of the scattering method are compared with direct simulations of disordered samples. Using the DOS, we have studied the metal-insulator transition and the magnetic freeze-out including a comparison with experimental results. (C) 2004 Elsevier B.V. All rights reserved.

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Détails

Titre: Effect of disorder on the density of states of a two-dimensional electron gas under magnetic field
Créateurs - sans rôle: S. Bonifacie
Ym Meziani
Christophe Chaubet - Groupe d'étude des semiconducteurs
Benoit Jouault - Groupe d'étude des semiconducteurs
Andre Raymond - Groupe d'étude des semiconducteurs
Détails de publication: PHYSICA B-CONDENSED MATTER, Vol.346, pp.455-459
Colloque: 7th International Symposium on Research in High Magnetic Fields (Toulouse (FRANCE), France, 20/07/2003)
Identifiants: 9947114509311
Unité académique: Laboratoire Charles Coulomb - L2C
Langue: English
Type de ressource: Conference proceeding
Champs locaux: hal-00544448