Yeditepe Mapping LateralForce TipBiasMode Biofilm Treatment AIN TriGlycineSulphate Optic piezoelectric force microscopy Lateral_Force_Microscopy electrospinning PolymerBlend ConductiveAFM silicon_oxide Non-ContactMode amplitude_modulation hard_disk_media Ceramics AM_SKPM Iron Ca10(PO4)6(OH)2 ScanningTunnelingMicroscopy University_of_Regensburg hydrocarbon Polyurethane aluminum_nitride Filter Anneal AM-KPFM Mobile LFM Magnetic Force Microscopy NUS exfoliate