Enhancement of the spin Hall voltage in a reverse-biased planar pn-junction

13 May 2016 Nádvorník L. Olejník K. Němec P. Novák V. Janda T. Wunderlich J. Trojánek F. Jungwirth T.

We report an experimental demonstration of a local amplification of the spin Hall voltage using an expanding depletion zone at a pn-junction in GaAs/AlGaAs Hall-bar microdevices. It is demonstrated that the depletion zone can be spatially expanded by applying reverse bias by at least 10~$\mu$m at low temperature... (read more)

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  • MESOSCALE AND NANOSCALE PHYSICS