oxide_layer Ferroelectric piezoelectric force microscopy Lift Strontium fe_nd_b Alkane LiNbO3 Metal SetpointMode FFM STO Terrace heterojunctions Pyroelectric Vac PMNPT Jason ScanningSpreadingResistanceMicroscopy Magnetic HardDisk AnodizedAluminumOxide ElectrostaticForceMicroscopy Reduction Electical&Electronics Piranha LFM vertical_PFM LiIonBattery PinpointNanomechanicalMode graphene_hybrid UTEM TiO2 suspended_graphene Chromium