Magnetic skyrmions are nanoscale spin configurations that hold promise as information carriers in ultradense memory and logic devices owing to the extremely low spin-polarized currents needed to move them.
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Acknowledgements
We acknowledge the support of S. Rohart and A. Thiaville from LPS (Université Paris-Sud/CNRS), Orsay, France for the numerical calculations of Fig. 3, and K. Everschor who helped in the preparation of some of the figures.
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Fert, A., Cros, V. & Sampaio, J. Skyrmions on the track. Nature Nanotech 8, 152–156 (2013). https://doi.org/10.1038/nnano.2013.29
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