VerticalPFM AnodizedAluminumOxide Lateral_Force_Microscopy Polyimide Aluminium_Oxide Wonseok Silver Polyvinylidene_fluoride LiquidCell Conductivity Gong FrequencyModulation ReflexLens PolycrystallineFerroelectricBCZT Optoelectonics FrictionForce Polymer organic_polymer piezoelectric force microscopy hetero_structure fluoroalkane Praseodymium LaAlO3 GaP Christmas NeodymiumMagnets molecules membrane Optical TipBiasMode Mosfet MultiferroicMaterials Hafnia Solar SetpointMode