Spin disorder control of topological spin texture
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Stabilization of topological spin textures in layered magnets has the potential to drive the development of advanced low-dimensional spintronics devices. However, achieving reliable and flexible manipulation of the topological spin textures beyond skyrmion in a two-dimensional magnet system remains challenging. Here, we demonstrate the introduction of magnetic iron atoms between the van der Waals gap of a layered magnet, Fe3GaTe2, to modify local anisotropic magnetic interactions. Consequently, we present direct observations of the order-disorder skyrmion lattices transition. In addition, non-trivial topological solitons, such as skyrmioniums and skyrmion bags, are realized at room temperature. Our work highlights the influence of random spin control of non-trivial topological spin textures.
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Zhang, H., Shao, Y.-T., Chen, X., Zhang, B., Wang, T., Meng, F., Xu, K., Meisenheimer, P., Chen, X., Huang, X., Behera, P., Husain, S., Zhu, T., Pan, H., Jia, Y., Settineri, N., Giles-Donovan, N., He, Z., Scholl, A., … Ramesh, R. (2024). Spin disorder control of topological spin texture. Nature Communications, 15(1), 3828. https://doi.org/10.1038/s41467-024-47715-5