Open crystalline configurations self-assembled from colloids with sticky patches have recently been shown to be unexpectedly stable. A theory that accounts for the entropy of the colloids' thermal fluctuations now explains why.
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Cates, M. Entropy stabilizes open crystals. Nature Mater 12, 179–180 (2013). https://doi.org/10.1038/nmat3573
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DOI: https://doi.org/10.1038/nmat3573