Implant NUS_Physics MonoLayer Worcester_Polytechnic_Institute ElectroDeposition mfm_amplitude molecule NCM Conductance Force-distance WS2 Inorganic_Compound Piranha ring shape VerticalPFM Mapping LateralPFM mechanical property PolyvinylideneFluoride Metal contact ThermalProperties SingleCrystal frequency_modulation Polyaniline LiIonBattery STM Optic FFM fe_nd_b CuParticle Dental Polypropylene MLCC light_emission