PinpointPFM INSPParis PhaseChange self-assembled_monolayer amplitude_modulation CntFilm MembraneFilter Biofilm Beads NeodymiumMagnets ScanningSpreadingResistanceMicroscopy Mosfet SThM Zhi DomainSwitching Fujian PFM 2-vinylpyridine NTU ShenYang AAO Boundary small_scan Vortex Iron Phosphide DataStorage cannabinoid PatternedSapphireSubstrat Multiferroic_materials Piezoresponse HumanHair Polytetrafluoroethylene Polyethylene MLCC