2013

Tailoring spin-orbit torque in diluted magnetic semiconductors

Tailoring spin-orbit torque in diluted magnetic semiconductors
H. Li, X. Wang, F. Dogan and A. Manchon
Appl. Phys. Lett. 102, 192411 (2013)​​​
H. Li, X. Wang, F. Dogan, A. Manchon
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2013
We study the spin orbit torque arising from an intrinsic linear Dresselhaus spin-orbit coupling in a single layer III-V diluted magnetic semiconductor. We investigate the transport properties and spin torque using the linear response theory, and we report here: (1) a strong correlation exists between the angular dependence of the torque and the anisotropy of the Fermi surface; (2) the spin orbit torque depends nonlinearly on the exchange coupling. Our findings suggest the possibility to tailor the spin orbit torque magnitude and angular dependence by structural design.​