Low-symmetry nickel/ tungsten combination produces powerful spin-orbit torque, enabling more efficient magnetization control

https://www.eurekalert.org/news-releases/1091434

"existing fabrication compatible, low cost, faster, more energy-efficient computer write memory... generates spin currents in multiple directions, enabling field-free magnetic state switching without need for external magnetic fields... works using Ni₄W both on its own and when layered with tungsten... high-speed spintronics smart watches, smartphones, data centers"

Related: Magnetization switching by asymmetric topological surfaces
https://www.eurekalert.org/news-releases/1093232