PinpointPFM ShenYang Calcium Step tip_bias_mode I-VSpectroscopy INSP Tapping CarbonNanotube PANI Alloy Perovskite Reduction Polyurethane HanyangUniv Magnets LFM Conductivity MLCC ito_film LaAlO3 Lift STO AnodizedAluminumOxide graphene_hybrid ReflexLens Austenite Jason Electrical&Electronics AlkaneFilm Ceramics pulsed_laser_deposition MolybdenumDisulfide NUSNNI BiFeO3