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. 2016 Dec 13;7:13802. doi: 10.1038/ncomms13802

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Copyright © 2016, The Author(s)

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Schematic of Rashba (a) Dresselhaus (b) spin-orbit fields (SOFs) for different crystallographic orientations. Red arrows in a,b denote the direction of spin accumulation induced by a current flow j_x. (c) Atomic structure of the Fe/GaAs (001) spin–orbit interface. Zincblende GaAs exhibits bulk inversion asymmetry (BIA) with D_2d symmetry and adding a single crystalline Fe on top of GaAs further lowers the D_2d symmetry to C_2v. The C_2v symmetry results in the Rashba and Dresselhaus SOFs at the Fe/GaAs (001) interface.