作者: Haider I. Rasool , Colin Ophus , William S. Klug , A. Zettl , James K. Gimzewski
DOI: 10.1038/NCOMMS3811
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摘要: The two-dimensional structure of graphene is known to impart high strength, but can be hard synthesize without grain boundaries. Here, the authors find that strength increases with boundary mismatch, which results from low atomic-scale strain in carbon–carbon bonds at boundary.