Delamination of multilayer graphene nanoribbons on flat substrates

Using molecular dynamics simulation, we have shown that multilayer graphene nanoribbons located on the flat surface of h-BN crystal (on substrate) delaminate due to thermal activation into a parquet single-layer substrate. The delamination requires overcoming energy barrier associated with initial shift its upper layer. After barrier, proceeds spontaneously release energy. value this has been estimated and two-layer nanofilms simulated. existence two scenarios shown. first scenario is longitudinal (along long side nanoribbon) sliding second one in layer rotation layers relative each other. common for elongated nanoribbons, --- flakes having close square shape. Keywords: graphene, substrate, nanoribbon delamination.