Spin Splitting in Altermagnetic RuO${}_2$ Enables Field-free Spin-Orbit Torque Switching via Dominant Out-of-Plane Spin Polarization

Zhuoyi Li, Zhe Zhang, Xianyang Lu +1

Researchers have recently identified a novel class of magnetism, termed "altermagnetism", which exhibits characteristics of both ferromagnetism and antiferromagnetism. Here, we rep…