Solution PolyimideFilm TyphimuriumBiofilm SICM Bio Nanostructure Pinpoint LateralForceMicroscopy Friction EFMAmplitude Celebration SKPM Ram Piezoresponse Ceramic MfmPhase MultiferroicMaterials UnivOfMaryland NiFe Barium_titanate FrictionForce Perovskite Sapphire University_of_Regensburg HOPG HanyangUniv neodymium_magnets ElectroDeposition small_scan rubber HBN fluorocarbon VortexCore Conductive AFM Fluoride