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    Creation of Single Chain of Nanoscale Skyrmion Bubbles with Record-high Temperature Stability in a Geometrically Confined Nanostripe

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    Type
    Article
    Authors
    Hou, Zhipeng
    Zhang, Qiang cc
    Xu, Guizhou
    GONG, CHEN cc
    Ding, Bei
    Wang, Yue
    Li, Hang cc
    Liu, Enke
    Xu, Feng
    Zhang, Hongwei
    Yao, Yuan
    Wu, Guangheng
    Zhang, Xixiang cc
    Wang, Wenhong
    KAUST Department
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    KAUST Grant Number
    CRF-2015-2549-CRG4
    Date
    2018-01-09
    Online Publication Date
    2018-01-09
    Print Publication Date
    2018-02-14
    Permanent link to this record
    http://hdl.handle.net/10754/626964
    
    Metadata
    Show full item record
    Abstract
    Nanoscale topologically nontrivial spin textures, such as magnetic skyrmions, have been identified as promising candidates for the transport and storage of information for spintronic applications, notably magnetic racetrack memory devices. The design and realization of a single skyrmion chain at room temperature (RT) and above in the low-dimensional nanostructures are of great importance for future practical applications. Here, we report the creation of a single skyrmion bubble chain in a geometrically confined Fe3Sn2 nanostripe with a width comparable to the featured size of a skyrmion bubble. Systematic investigations on the thermal stability have revealed that the single chain of skyrmion bubbles can keep stable at temperatures varying from RT up to a record-high temperature of 630 K. This extreme stability can be ascribed to the weak temperature-dependent magnetic anisotropy and the formation of edge states at the boundaries of the nanostripes. The realization of the highly stable skyrmion bubble chain in a geometrically confined nanostructure is a very important step toward the application of skyrmion-based spintronic devices.
    Citation
    Hou Z, Zhang Q, Xu G, Gong C, Ding B, et al. (2018) Creation of Single Chain of Nanoscale Skyrmion Bubbles with Record-High Temperature Stability in a Geometrically Confined Nanostripe. Nano Letters. Available: http://dx.doi.org/10.1021/acs.nanolett.7b04900.
    Sponsors
    This work was supported by the National Key R&D Program of China (Grant 2017FA0303202), National Natural Science Foundation of China (Grants 11604148, 1561145003, 11574374), King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award CRF-2015-2549-CRG4, and Strategic Priority Research Program B of the Chinese Academy of Sciences under Grant XDB07010300.
    Publisher
    American Chemical Society (ACS)
    Journal
    Nano Letters
    DOI
    10.1021/acs.nanolett.7b04900
    PubMed ID
    29299928
    Additional Links
    http://pubs.acs.org/doi/10.1021/acs.nanolett.7b04900
    ae974a485f413a2113503eed53cd6c53
    10.1021/acs.nanolett.7b04900
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program

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