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Intrinsic spin-Hall accumulation in honeycomb lattices: Band structure effects

URN to cite this document:
urn:nbn:de:bvb:355-epub-212760
Liu, Ming-Hao ; Bihlmayer, Gustav ; Blügel, Stefan ; Chang, Ching-Ray
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Date of publication of this fulltext: 22 Jun 2011 06:25



Abstract

Local spin and charge densities on a two-dimensional honeycomb lattice are calculated by the Landauer-Keldysh formalism (LKF). Through the empirical tight-binding method, we show how the realistic band structure can be brought into the LKF. Taking the Bi(111) surface, on which strong surface states and Rashba spin-orbit coupling are present [Phys. Rev. Lett. 93, 046403 (2004)], as a numeric ...

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