Extracting current from the lateral edges of a Hall device

Félix Faisant; Jean-Eric Wegrowe

doi:10.1117/12.2570468

20 August 2020 Extracting current from the lateral edges of a Hall device

Félix Faisant, Jean-Eric Wegrowe

Proceedings Volume 11470, Spintronics XIII; 114701C (2020) https://doi.org/10.1117/12.2570468
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Abstract

The Hall effect occurring in a Hall bar is revisited on the basis on non-equilibrium thermodynamics principles. Following the approach developed in a previous work (Creff et al. J. Appl. Phys 2020), the stationary state is defined by the minimum power dissipation principle, and the well-known results about the charge accumulation at the lateral edges and the corresponding Hall voltage are recovered. Beyond, the effect of a sizable current leakage occurring at the edges is investigated. An analytical expression of this output current - proportional to the magnetic field and the leakage resistance - is derived.

Citation Download Citation

Félix Faisant and Jean-Eric Wegrowe "Extracting current from the lateral edges of a Hall device", Proc. SPIE 11470, Spintronics XIII, 114701C (20 August 2020); https://doi.org/10.1117/12.2570468

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