Reinforcement-Learning-Designed Field-Free Sub-Nanosecond Spin-Orbit-Torque Switching

Yuta Igarashi, Junji Fujimoto

We demonstrate deterministic, field-free magnetization reversal of a single-domain nanomagnet within 300 ps under a current density of $3\times 10^{10}A/{\mathrm{m}}^2$ by coupling…