AI Article Synopsis
- Controllable writing and deletion of magnetic skyrmions is essential for their use in future memory and computing technologies, but existing methods are often complex and not scalable.
- This study presents a straightforward method utilizing conventional electrical pulses in a two-terminal wire setup to manipulate skyrmions effectively.
- The research showcases that skyrmion creation and deletion are driven by Joule heating and Oersted field effects, offering a more flexible and scalable solution for integrating skyrmions in practical applications.
Article Abstract
Controllable writing and deleting of nanoscale magnetic skyrmions are key requirements for their use as information carriers for next-generation memory and computing technologies. While several schemes have been proposed, they require complex fabrication techniques or precisely tailored electrical inputs, which limits their long-term scalability. Here, we demonstrate an alternative approach for writing and deleting skyrmions using conventional electrical pulses within a simple, two-terminal wire geometry. X-ray microscopy experiments and micromagnetic simulations establish the observed skyrmion creation and annihilation as arising from Joule heating and Oersted field effects of the current pulses, respectively. The unique characteristics of these writing and deleting schemes, such as spatial and temporal selectivity, together with the simplicity of the two-terminal device architecture, provide a flexible and scalable route to the viable applications of skyrmions.
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| http://dx.doi.org/10.1021/acs.nanolett.0c03686 | DOI Listing |
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