Magnetotransport and spin dynamics in an electron gas formed at oxide interfaces

Details Magnetotransport and spin dynamics in an electron gas formed at oxide interfaces Magnetotransport and spin dynamics in an electron gas formed at oxide interfaces

2010-11-17

arxiv.org/abs/1011.3924v1

Phys. Rev. B 83, 045309 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

We investigate the spin-dependent transport properties of a two-dimensional electron gas formed at oxides' interface in the presence of a magnetic field. We consider several scenarios for the oxides' properties, including oxides with co-linear or spiral magnetic and ferroelectric order. For spiral multiferroic oxides, the magnetoelectric coupling and the topology of the localized magnetic moments introduce additional, electric field controlled spin-orbit coupling that affects the magneto-oscillation of the current. An interplay of this spin-orbit coupling, the exchange field, and of the applied magnetic field results in a quantum, gate-controlled spin and charge Hall conductance.

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