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. 2020 Nov 17;11:5862. doi: 10.1038/s41467-020-19752-3

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© The Author(s) 2020

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Fig. 1 — Model of a graphene ZZ edge on three low-index Cu surfaces a and the calculated binding energies of the edge on the three substrates as a function of the alignment angle b. Model of a ZZN edge of hBN on the three low-index Cu surfaces c and the calculated binding energies of the edge on the three substrates as a function of the alignment angle d. Vertical lines highlight the periodicity of the binding energy curves.