Chungnam_National_University PvdfFilm NUS_Physics Fet PvdfBead Mechanical Beads Galfenol GaP tip_bias_mode FailureAnalysis Modulus HanyangUniv Wang AtomicSteps Steps Adhesive Chemical_Vapor_Deposition IISCBangalore Boundary LateralForce thermal_property FrictionalForceMicroscopy hydrocarbon Aggregated_molecules cannabinoid Sadowski ForceVolume India Fiber KAIST aluminum_nitride NiFe PVAP3HT LiNbO3