Field-Free Spin–Orbit Torque Switching in Janus Chromium Dichalcogenides
Libor Vojáček,
Joaquín Medina Dueñas,
Jing Li
et al.
Abstract:We predict a very
large spin–orbit torque (SOT) capability
of magnetic chromium-based transition-metal dichalcogenide (TMD) monolayers
in their Janus forms CrXTe, with X = S, Se. The structural inversion
symmetry breaking, inherent to Janus structures is responsible for
a large SOT response generated by giant Rashba splitting, equivalent
to that obtained by applying a transverse electric field of ∼100
V nm–1 in non-Janus CrTe2, completely
out of experimental reach. By performing transport simulations on
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