A spin-wave logic gate based on a width-modulated dynamic magnonic crystal

TL;DR

This paper demonstrates an electric current-controlled spin-wave logic gate using a width-modulated magnonic crystal, enabling dynamic control of magnonic band gaps for logic operations in magnonic devices.

Contribution

It introduces a novel spin-wave logic gate based on a dynamic magnonic crystal with electric current control, advancing magnonic logic device technology.

Findings

The device functions as an AND logic gate.

Electric currents suppress the magnonic band gap.

Dynamic control enables logic operations in magnonic circuits.

Abstract

An electric current controlled spin-wave logic gate based on a width-modulated dynamic magnonic crystal is realized. The device utilizes a spin-wave waveguide fabricated from a single-crystal Yttrium Iron Garnet film and two conducting wires attached to the film surface. Application of electric currents to the wires provides a means for dynamic control of the effective geometry of the waveguide and results in a suppression of the magnonic band gap. The performance of the magnonic crystal as an AND logic gate is demonstrated.