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. 2016 Mar 10;6:22949. doi: 10.1038/srep22949

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Copyright © 2016, Macmillan Publishers Limited

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Main panel: Fractal dimension of the iso-height contour lines computed with the yardstick method for RGS and graphene membranes at T = 300 K and different system sizes. Inset: Fractal dimension d_f for graphene at different temperatures and system size of 800 Å. The solid line represents the fractal dimension d_f= 1.28 predicted by the SLE theory, while the dashed line corresponds to d_f = 1.16.