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Higher-dimensional Wannier interpolation for the modern theory of the Dzyaloshinskii-Moriya interaction: Application to Co-based trilayers
Jan-Philipp Hanke, Frank Freimuth, Stefan Blügel +1
We present an advanced first-principles formalism to evaluate the Dzyaloshinskii-Moriya interaction (DMI) in its modern theory as well as Berry curvatures in complex spaces based o…
Spin-orbit torques and tunable Dzyaloshinskii-Moriya interaction in Co/Cu/Co trilayers
Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
We study the spin-orbit torques (SOTs) in Co/Cu/Co magnetic trilayers based on first-principles density-functional theory calculations in the case where the applied electric field…
Charge and spin photocurrents in the Rashba model
Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
In metallic noncentrosymmetric crystals and at surfaces the response of spin currents and charge currents to applied electric fields contains contributions that are second order in…
Chiral damping, chiral gyromagnetism and current-induced torques in textured one-dimensional Rashba ferromagnets
Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
We investigate Gilbert damping, spectroscopic gyromagnetic ratio and current-induced torques in the one-dimensional Rashba model with an additional noncollinear magnetic exchange f…
Chiral and Topological Orbital Magnetism of Spin Textures
Fabian R. Lux, Frank Freimuth, Stefan Blügel +1
Using a semiclassical Green's function formalism, we discover the emergence of chiral and topological orbital magnetism in two-dimensional chiral spin textures by explicitly findin…
Non-local field-like spin-orbit torques in Rashba systems: an ab-initio study of AgBi/Ag/Fe film
Guillaume Géranton, Bernd Zimmermann, Nguyen H. Long +4
We investigate from first principles the field-like spin-orbit torques (SOTs) in a AgBi-terminated Ag(111) film grown on ferromagnetic Fe(110). We find that a large part of t…