On-line SPICE-SPIN+X Seminars

On-line Seminar: 13.12.2023 - 15:00 CET

First-principles calculations of spin transport and spin-orbit torque in metallic heterostructures

Kirill Belashchenko, University of Nebraska–Lincoln

I will discuss first-principles calculations of spin transport and spin-orbit torques in disordered films and multilayers within the nonequilibrium Green's function technique with supercell disorder averaging. I will present the results for ferromagnet/nonmagnet bilayers, for a single platinum film, and for ferromagnet/nonmagnet/ferromagnet trilayers, highlighting the features that can't be easily explained within the conventional spin-diffusion model. I will also discuss the possibility of using ferromagnets with anisotropic transport spin polarization as sources of exchange-driven transverse spin current, supported by a computational screening of suitable materials.

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PDF file of the talk available here