High-speed magnetization switching by spin-orbit torque and its applications

Abstract

Utilizing nonvolatile spintronics devices in semiconductor integrated circuits offers a promising approach to realize ultralow-power and high-performance intelligent systems. Recently, spin-orbit torque induced magnetization switching has attracted a great amount of attention as a new scheme to efficiently write information to the spintronics devices. In this article, we show recent studies regarding spin-orbit torque induced switching. Results of sub-ns magnetization switching and analog-like control of the magnetization state driven by the spin-orbit torque are presented. Based on the results, we also discuss the potential impact of these technologies on the Internet of Things and artificial intelligence.