State Key Laboratory for Surface Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;
State Key Laboratory for Surface Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;
Department of Physics, Nanchang University, Nanchang 330047, China;
State Key Laboratory for Surface Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;
Department of Material and Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel;
Department of Material and Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel;
aluminium; graphite; interface;