Relaxing-Precessional Magnetization Switching

TL;DR

This paper introduces relaxing-precessional magnetization switching, a novel method combining spin-transfer torque and magnetic field torque, offering faster, lower-power, and more controllable switching than existing techniques.

Contribution

It proposes a new magnetization switching technique that integrates precessional and relaxing dynamics, improving speed, power efficiency, and controllability.

Findings

The switching dynamics are similar to precessional in the initial stage.

The final stage resembles relaxing switching.

The method is faster and consumes less power.

Abstract

A new way of magnetization switching employing both the spin-transfer torque and the torque by a magnetic field is proposed. The solution of the Landau-Lifshitz-Gilbert equation shows that the dynamics of the magnetization in the initial stage of the switching is similar to that in the precessional switching, while that in the final stage is rather similar to the relaxing switching. We call the present method the relaxing-precessional switching. It offers a faster and lower-power-consuming way of switching than the relaxing switching and a more controllable way than the precessional switching.