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

Spintronic devices: Switching of magnetic memory bits with magnons
https://phys.org/news/2025-08-spintronic-devices-magnetic-memory-bits.html

Tungsten-based SOT-MRAM achieves nanosecond switching and low-power data storage
https://techxplore.com/news/2025-10-generation-memory-tungsten-based-sot.html