Mapping AmplitudeModulation Writing BlockCopolymer NCM\ ContactModeDot HACrystal VortexCore ScanningIon-ConductanceMicroscopy UnivCollegeLondon PolyvinylideneFluoride STO GaN Defects ChemicalCompound lift_mode LightEmission Pore Force-distance Piezo Solution self_assembly Annealed Polyaniline fe_nd_b NtuEee SingleCrystal Lift Austenite Ceramics fluoroalkane Worcester_Polytechnic_Institute SrO Current PMNPT