Work

Surface Acoustic Wave Manipulation of Magnetic Skyrmions for Tunable Nanoscale Oscillators

Year: 2025

Type: article

Abstract: Magnetic skyrmions with unique topological spin textures, hold great promise for spintronic devices. In particular, the circular motion of skyrmions has shown potential as nanoscale oscillators for radio frequency applications. This study introduces a skyrmion‐based oscillator driven by surface acoustic waves (SAWs) through magnetoelastic coupling. Using micromagnetic simulations, precise tunability of the oscillator's frequency is demonstrated by varying the strain amplitude induced by a SAW and device dimensions. Furthermore, incorporating two skyrmions into the device significantly broadens the frequency tuning range. The proposed design offers a promising pathway for advancing nanoscale microwave frequency converters and spread spectrum modulation technologies.

Source: Advanced Physics Research

DOI: 10.1002/apxr.202400206

Authors: Yang Yang, Chenye Zhang, Yahui Ji, Jinxing Zhang, Tianxiang Nan

Institutions: Shanghai Normal University, Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing Normal University

Language: English

Topic: Magnetic properties of thin films

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,690

Funders: National Natural Science Foundation of China, Tsinghua University, National Key Research and Development Program of China