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Proceedings Paper

Quenching of the hall effect in localised high magnertic field region
Author(s): S. V. Dubonos; K. S. Novoselov; A. K. Geim; J. C. Maan
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Paper Abstract

We report the suppression of the Hall effect in a mesoscopic Hall cross with a strong magnetic field only in the center and vanishingly small outside. The local magnetic field is produced by placing Dy pillar on top of a structure with high-mobility two-dimensional electron gas (2DEG). The effect is found to be due to a sharp increase of the number of back-scattered and quasi-localized electron orbits. The possibility of localizing electrons inside the magnetic inhomogeneity region is discussed.

Paper Details

Date Published: 11 June 2003
PDF: 4 pages
Proc. SPIE 5023, 10th International Symposium on Nanostructures: Physics and Technology, (11 June 2003); doi: 10.1117/12.514531
Show Author Affiliations
S. V. Dubonos, Institute Microelectronics Tech & High-Purity Materials (Russia)
K. S. Novoselov, Univ. of Manchester and Univ. of Nijmegen (United States)
A. K. Geim, Univ. of Manchester (United States)
J. C. Maan, Univ. of Nijmegen (United States)


Published in SPIE Proceedings Vol. 5023:
10th International Symposium on Nanostructures: Physics and Technology
Zhores I. Alferov; Leo Esaki, Editor(s)

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