Quenching of the hall effect in localised high magnertic field region

S. V. Dubonos; K. S. Novoselov; A. K. Geim; J. C. Maan

doi:10.1117/12.514531

11 June 2003 Quenching of the hall effect in localised high magnertic field region

S. V. Dubonos, K. S. Novoselov, A. K. Geim, J. C. Maan

Proceedings Volume 5023, 10th International Symposium on Nanostructures: Physics and Technology; (2003) https://doi.org/10.1117/12.514531
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

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.

Citation Download Citation

S. V. Dubonos, K. S. Novoselov, A. K. Geim, and J. C. Maan "Quenching of the hall effect in localised high magnertic field region", Proc. SPIE 5023, 10th International Symposium on Nanostructures: Physics and Technology, (11 June 2003); https://doi.org/10.1117/12.514531

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