LateralForceMicroscopy Friction light_emission Conductive AFM PinPointMode ScanningKelvinProbeMicroscopy Hole thermal_property AdhesionEnergy Hexacontane PS_LDPE dichalcogenide Heating Neodymium WPlug kelvin probe force microscopy Worcester_Polytechnic_Institute Composition suspended_graphene Al2O3 Hair CuFoil MeltingPoint Adhesion PinpointNanomechanicalMode plastic OxideLayer light_emitting LateralForce pulsed_laser_deposition Moire Fluoride margarine #EC LifeScience