Liu, Ming-Hao and Chang, Ching-Ray
Upstanding Rashba spin in honeycomb lattices: Electrically reversible surface spin polarization.
Physical Review B (PRB) 80 (24), 241304(R).
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The spin-split states subject to Rashba spin-orbit coupling in two-dimensional systems have long been accepted as pointing inplane and perpendicular to the corresponding wave vectors. This is in general true for free-electron model, but exceptions do exist elsewhere. Within the tight-binding model, we unveil the unusual upstanding behavior of those Rashba spins around K̅ and K̅ ′ points in ...
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