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Optical spin injection in graphene with Rashba spin-orbit interaction

M. Inglot, V. K. Dugaev, E. Ya. Sherman, J. Barnaś
2014 Physical Review B  

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2014 pre-print arXiv:1403.6159v1 fatcat:gma277saqndolpoeokqdjebaka
We calculate the efficiency of infrared optical spin injection in single-layer graphene with Rashba spin-orbit coupling and for in-plane magnetic field. The injection rate in the photon frequency range corresponding to the Rashba splitting is shown to be proportional to the ratio of the Zeeman and Rashba splittings. As a result, large spin polarization can be controllably achieved for experimentally available values of the spin-orbit coupling and in magnetic fields below 10 Tesla.
doi:10.1103/physrevb.89.155411 fatcat:rnoiipqexfh5zekabvtgut6oei
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M. Inglot, V. K. Dugaev, E. Ya. Sherman, J. Barnaś. "Optical spin injection in graphene with Rashba spin-orbit interaction." Physical Review B 89.15 (2014)