PetruPoni OpticalModulator BiFeO3 TCS Treatment Carbon Polydimethylsiloxane SmallScan self-assembled_monolayer Chrome DNA PinpointPFM MeltingPoint GranadaUniv Jason Silicon Barium_titanate InLiquid Flake thermoplastic_elastomers piezoelectric force microscopy FAPbI3 IndiumTinOxide TPU CrossSection LateralForceMicroscopy SicMosfet PvdfBead PVAC Piezoresponse NUS NusEce NTU ConductingPolymer Protein