amplitude_modulation HOPG Current Vacuum temperature controller AFM lithography AdhesionForce Varistor Pinpoint PFM Aggregated_molecules PrCurve Chemical_Vapor_Deposition Metal Butterfly KAIST FloppyDisk Change thermal_conductivity Edwin piezoelectric force microscopy StrontiumTitanate SiWafer Kevlar NeodymiumMagnets PolyStylene silicon_oxide ScanningIon-ConductanceMicroscopy Hexacontane optoelectronics NUS_Physics LiNbO3 Conducting non_contact BaTiO3 Solar