Stiffness ShenYang Self-assembledMonolayer Imprint Piezoelectric PolyvinylAcetate WS2 graphene_hybrid PinpointPFM Chloroform Polytetrafluoroethylene SurfaceOxidation SicMosfet Titanate Hexacontane PpLdpe Boundary temperature_control KPFM Hysteresys Cobalt-dopedIronOxide AM-KPFM Edwin CeramicCapacitor Optoelectronic nanomechanical PolyvinylideneFluoride pulsed_laser_deposition norganic Permalloy MonoLayer Gong MESA structure fluoroaalkane silicon_carbide