Rashba split surface states in BiTeBr release_rev_b22b271c-6499-4a33-a827-64b23a9e178e

by S.V. Eremeev, I.P. Rusinov, I.A. Nechaev, E.V. Chulkov

Released as a article .

2013  

Abstract

Within density functional theory, we study bulk band structure and surface states of BiTeBr. We consider both ordered and disordered phases which differ in atomic order in the Te-Br sublattice. On the basis of relativistic ab-initio calculations, we show that the ordered BiTeBr is energetically preferable as compared with the disordered one. We demonstrate that both Te- and Br-terminated surfaces of the ordered BiTeBr hold surface states with a giant spin-orbit splitting. The Te-terminated surface-state spin splitting has the Rashba-type behavior with the coupling parameter \alpha_R ~ 2 eV\AA.
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Type  article
Stage   submitted
Date   2013-02-04
Version   v1
Language   en ?
arXiv  1302.0704v1
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