Resistance Resonance Effects through Magnetic Edge States


Nogaret, A., Bending, S. J. and Henini, M., 2000. Resistance Resonance Effects through Magnetic Edge States. Physical Review Letters, 84 (10), pp. 2231-2234.

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We report on the magnetoresistance of a two-dimensional electron gas subjected to an abrupt magnetic field gradient arising from a ferromagnetic stripe fabricated at its surface. A sharp resistance resonance effect is observed at Bp due to the formation of two types of magnetic edge states that drift in opposite directions perpendicular to the magnetic field gradient for B<Bp and B>Bp. A semiclassical drift-diffusion model gives a good description of the effects of the magnetic confinement on both the diagonal and off-diagonal components of the resistivity tensor.


Item Type Articles
CreatorsNogaret, A., Bending, S. J. and Henini, M.
DepartmentsFaculty of Science > Physics
ID Code24991


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