mono_layer polyvinyl acetate AM-KPFM Lattice UnivMaryland Calcite ForceMapping SThM Hexatriacontane H-BN Conduct Co/Cr/Pt mechanical property ScanningIon-ConductanceMicroscopy SiliconeOxide TemperatureControllerStage GaN Foil Electrical&Electronics Step Polyethylene LateralForce Annealing electrospinning Barium_titanate ferromagnetic FrequencyModulation molecular_beam TemperatureControl NtuEee block_copolymer TungstenThinFilmDeposition Film Melt PS_LDPE