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Reversible Loss of Bernal Stacking during the Deformation of Few-Layer Graphene in Nanocomposites

JAH is engaged on several projects on radiation damage in graphite and graphene with University of Manchester. One of JAH’s main experimental observations is the dynamic formation of ordered arrays of dislocations in single graphitic crystals under Xe irradiation. This paper reports on how Bernal stacking (i.e. ABABA) can be lost and regained and the role partial dislocations can play. For this paper, JAH’s results provided the experimental evidence for the existence of dislocations consistent with those invoked to explain how a loss of Bernal stacking can be accommodated in few-layer graphene. JAH contributed to preparation of text and figures.