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Artificial spin ice

A ratchet made of tiny magnets

An artificial spin ice array exploits two-dimensional chirality to take a step towards technology.

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Figure 1: A magnetic ratchet in an artificial spin ice.

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Correspondence to Steven T. Bramwell.

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Bramwell, S. A ratchet made of tiny magnets. Nature Mater 16, 1053–1054 (2017). https://doi.org/10.1038/nmat5004

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