vertical_PFM TiO2 FastScan DNA Titanate flakes ForceVolumeMapping Bacteria CaMnO3 small_scan Aggregated_molecules ForceVolumeImage ScratchMode hydrocarbon Ptfe Solar PhaseTransition PANI self-assembled_monolayer Reduction CarbonNanotube Floppy PolyimideFilm frequency_modulation margarine Alkane Yeditepe_University Molybdenum_disulfide PECurve VortexCore Gallium_Arsenide MetalCompound self_healing Tape EvatecAG