Stabilization of exponential number of discrete remanent states with localized spin-orbit torques

Shubhankar Das, Ariel Zaig, Moty Schultz +1

Using bilayer films of $\beta$-Ta/Ni${}_{0.8}$Fe${}_{0.2}$, we fabricate structures consisting of two, three and four crossing ellipses which exhibit shape-induced bi-axial, tri-axial and…