Quenching of the Hall effect in localised high magnetic field regions

K. S. Novoselov; A. K. Geim; S. V. Dubonos; Y. G. Cornelissens; F. M. Peeters; J. C. Maan

doi:10.1016/S1386-9477(01)00364-2

Quenching of the Hall effect in localised high magnetic field regions

K. S. Novoselov
, A. K. Geim
, S. V. Dubonos
, Y. G. Cornelissens
, F. M. Peeters
, J. C. Maan

Research output: Contribution to journal › Article › peer-review

Abstract

We report the suppression of the Hall effect in a mesoscopic Hall cross with a strong magnetic field only in the centre and vanishingly small outside. The local magnetic field is produced by placing Dy pillar on top of a structure with a high-mobility two-dimensional electron gas. The effect is found to be due to a sharp increase of the number of back-scattered and quasi-localised electron orbits. The possibility of localising electrons inside the magnetic inhomogeneity region is discussed. © 2002 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	244-247
Number of pages	3
Journal	Physica E: Low-Dimensional Systems and Nanostructures
Volume	12
Issue number	1-4
DOIs	https://doi.org/10.1016/S1386-9477(01)00364-2
Publication status	Published - Jan 2002

Keywords

Ballistic transport
Quantum Hall effect
Scattering on magnetic inhomogeneities

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title = "Quenching of the Hall effect in localised high magnetic field regions",

abstract = "We report the suppression of the Hall effect in a mesoscopic Hall cross with a strong magnetic field only in the centre and vanishingly small outside. The local magnetic field is produced by placing Dy pillar on top of a structure with a high-mobility two-dimensional electron gas. The effect is found to be due to a sharp increase of the number of back-scattered and quasi-localised electron orbits. The possibility of localising electrons inside the magnetic inhomogeneity region is discussed. {\textcopyright} 2002 Elsevier Science B.V. All rights reserved.",

keywords = "Ballistic transport, Quantum Hall effect, Scattering on magnetic inhomogeneities",

author = "Novoselov, \{K. S.\} and Geim, \{A. K.\} and Dubonos, \{S. V.\} and Cornelissens, \{Y. G.\} and Peeters, \{F. M.\} and Maan, \{J. C.\}",

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doi = "10.1016/S1386-9477(01)00364-2",

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T1 - Quenching of the Hall effect in localised high magnetic field regions

AU - Novoselov, K. S.

AU - Geim, A. K.

AU - Dubonos, S. V.

AU - Cornelissens, Y. G.

AU - Peeters, F. M.

AU - Maan, J. C.

N1 - 545FL Times Cited:2 Cited References Count:23

PY - 2002/1

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N2 - We report the suppression of the Hall effect in a mesoscopic Hall cross with a strong magnetic field only in the centre and vanishingly small outside. The local magnetic field is produced by placing Dy pillar on top of a structure with a high-mobility two-dimensional electron gas. The effect is found to be due to a sharp increase of the number of back-scattered and quasi-localised electron orbits. The possibility of localising electrons inside the magnetic inhomogeneity region is discussed. © 2002 Elsevier Science B.V. All rights reserved.

AB - We report the suppression of the Hall effect in a mesoscopic Hall cross with a strong magnetic field only in the centre and vanishingly small outside. The local magnetic field is produced by placing Dy pillar on top of a structure with a high-mobility two-dimensional electron gas. The effect is found to be due to a sharp increase of the number of back-scattered and quasi-localised electron orbits. The possibility of localising electrons inside the magnetic inhomogeneity region is discussed. © 2002 Elsevier Science B.V. All rights reserved.

KW - Ballistic transport

KW - Quantum Hall effect

KW - Scattering on magnetic inhomogeneities

U2 - 10.1016/S1386-9477(01)00364-2

DO - 10.1016/S1386-9477(01)00364-2

M3 - Article

VL - 12

SP - 244

EP - 247

JO - Physica E: Low-Dimensional Systems and Nanostructures

JF - Physica E: Low-Dimensional Systems and Nanostructures

IS - 1-4

ER -

Quenching of the Hall effect in localised high magnetic field regions

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Keywords

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