By means of a precise folding–tearing process, screw dislocations with helical cores — appearing in pairs and taking on a DNA-like double-helix structure — are engineered to control the growth of twisted bilayer graphene.
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Pochet, P., Johnson, H.T. A double-helix dislocation in graphene. Nat. Mater. 23, 306–307 (2024). https://doi.org/10.1038/s41563-023-01654-6
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DOI: https://doi.org/10.1038/s41563-023-01654-6