2d_materials FrictionalForce Sulfur NUS_Physics Vacuum OrganicSemiconductor Materials MultiLayerCeramicCapacitor cannabinoid graphene_hybrid Polyvinylidene_fluoride MBE ScanningKelvinProbeMicroscopy Heat small_scan TCS nanomechanical BreastCancerCell AEAPDES Copper PinpointNanomechanicalMode Pvdf pulsed_laser_deposition IVSpectroscopy Strontium LateralForce bias_mode Thermoplastic_polyurethane LiBattery SolarCell HACrystal SAM Moire PVAC Hydroxyapatite