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A reversible conversion between a skyrmion and a domain-wall pair in a junction geometry

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  • Yan Zhou

    (University of Hong Kong
    Center of Theoretical and Computational Physics, University of Hong Kong)

  • Motohiko Ezawa

    (University of Tokyo)

Abstract

Skyrmions are expected to be a key component of the next-generation of spintronics: known as ‘skyrmionics’. On the other hand, there is a well-established memory device encoded by a sequence of domain walls. Here we show a conversion is possible between a skyrmion and a domain-wall pair by connecting wide and narrow nanowires, enabling the information transmission between a skyrmion device and a domain-wall device. Our results will be the basis of a hybrid device made of skyrmions and domain walls, where the encoded information in domain walls is converted into skyrmions, and then read out by converting the skyrmions back to domain walls after a functional control of the skyrmions. Such a device has the potential to outperform domain-wall racetrack memory because of the combined advantages of domain walls and skyrmions for spintronics application.

Suggested Citation

  • Yan Zhou & Motohiko Ezawa, 2014. "A reversible conversion between a skyrmion and a domain-wall pair in a junction geometry," Nature Communications, Nature, vol. 5(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms5652
    DOI: 10.1038/ncomms5652
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    Cited by:

    1. Peter Meisenheimer & Hongrui Zhang & David Raftrey & Xiang Chen & Yu-Tsun Shao & Ying-Ting Chan & Reed Yalisove & Rui Chen & Jie Yao & Mary C. Scott & Weida Wu & David A. Muller & Peter Fischer & Robe, 2023. "Ordering of room-temperature magnetic skyrmions in a polar van der Waals magnet," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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