Model magnetic systems known as artificial spin ices have almost always been found in frozen, athermal states. But an artificial spin ice that is designed to be thermally active has now been imaged as it explores its frustrated energy landscape.
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Marrows, C. The heat is on. Nature Phys 9, 324–325 (2013). https://doi.org/10.1038/nphys2638
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DOI: https://doi.org/10.1038/nphys2638
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