AdhesionEnergy FailureAnalysis Sapphire LateralForce Step Ucl Mobile Graphite Chemical_Vapor_Deposition TempControl hetero_structure H-BN Current AAO thermal_property Led Chungnam_National_University PDMS Gallium ScratchMode Film ScanningThermalMicroscopy Ram atomic_layer plastics Laser SelfAssembly CNT Fluoride FrictionForce ThermalProperties SurfaceChange Mfm ScanningTunnelingMicroscopy Indent