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Giant Spin-Hall Effect Induced by the Zeeman Interaction in Graphene

Author(s)
Levitov, Leonid; Abanin, Dmitry A.; Gorbachev, R. V.; Novoselov, Kostya S.; Geim, A. K.
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Abstract
We propose a new approach to generate and detect spin currents in graphene, based on a large spin-Hall response arising near the neutrality point in the presence of an external magnetic field. Spin currents result from the imbalance of the Hall resistivity for the spin-up and spin-down carriers induced by the Zeeman interaction, and do not involve a spin-orbit interaction. Large values of the spin-Hall response achievable in moderate magnetic fields produced by on-chip sources, and up to room temperature, make the effect viable for spintronics applications.
Date issued
2011-04
URI
http://hdl.handle.net/1721.1/66504
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Abanin, D. et al. “Giant Spin-Hall Effect Induced by the Zeeman Interaction in Graphene.” Physical Review Letters 107 (2011): n. pag. Web. 19 Oct. 2011. © 2011 American Physical Society
Version: Final published version
ISSN
0031-9007

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