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Abstract
Electric control of magnetic vortex dynamics in a reproducible way on an ultrafast time scale is crucial for efficient, low-energy spintronic devices. This study demonstrates a novel packaged-skyrmion-mediated vortex switching process driven by picosecond electrical field pulses via magnetoelectric interactions. Both vortex chirality and polarity show well-defined reversal behavior, enabling repeated switching between four magnetic vortex states. This provides an energy-efficient, highly localized, and coherent control method for nonvolatile magnetic vortex-based information storage and handling.
Publisher
NPG Asia Materials
Published On
Authors
Dongxing Yu, Jiyong Kang, Jamal Berakdar, Chenglong Jia
Tags
magnetic vortex dynamics
skyrmion
vortex switching
magnetoelectric interactions
spintronic devices
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