ScanningThermalMicroscopy PolycrystallineFerroelectricBCZT PhaseImaging Terrace Imprint Leakage Piranha cross section PANI gallium_nitride AAO Sic Scratch Ceramics Wildtype mfm_amplitude LifeScience HanyangUniv ConductiveAFM Sio2 mechanical_property Forevision Granada Indent Multiferroic_materials Boundary HighAcpectRatio AnodizedAluminumOxide Polymer Gallium_Arsenide TyphimuriumBiofilm Polytetrafluoroethylene CVD 2d_materials LMF