Impurity induced spin-orbit coupling in graphene

Details Impurity induced spin-orbit coupling in graphene Impurity induced spin-orbit coupling in graphene

2009-02-19

arxiv.org/abs/0902.3244v1

Phys. Rev. Lett. 103, 026804 (2009)

Physics

Condensed Matter

Materials Science

4 pages, 6 figures

Scientific paper

We study the effect of impurities in inducing spin-orbit coupling in graphene. We show that the sp3 distortion induced by an impurity can lead to a large increase in the spin-orbit coupling with a value comparable to the one found in diamond and other zinc-blende semiconductors. The spin-flip scattering produced by the impurity leads to spin scattering lengths of the order found in recent experiments. Our results indicate that the spin-orbit coupling can be controlled via the impurity coverage.

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