Method for determining the adhesion force between graphene and copper Evgeny Victorovich Boyko, Ilya Alexeevich Kostogrud, Dmitry Vladimirovich Smovzh and Pavel Evgenyevich Matochkin EPJ Web Conf., 196 (2019) 00057 Published online: 14 January 2019 DOI: 10.1051/epjconf/201919600057