Transport in two-dimensional electron gas narrow channel with a magnetic field gradient
M. Hara, A. Endo, S. Katsumoto, Y. Iye
Abstract
We have investigated distinctive transport phenomena in two-dimensional electron gas (2DEG) narrow channel subjected to a large magnetic field gradient, a unique situation created in a ferromagnet/2DEG hybrid structure. The so-called snake orbits which propagate in the direction determined by the sign of field gradient, give rise to conductivity enhancement and rectification effect with respect to the direction of DC bias current.
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