vertical_PFM PolyimideFilm Protein Polyaniline PinpointNanomechanicalMode Polydimethylsiloxane TransitionMetal PolyvinylAcetate Phthalocyanine YszSubstrate SelfAssembly Croatia TappingMode FM_KPFM HanyangUniv Adhesive Self-assembledMonolayer Alkane ShenYang Inorganic_Compound Vanadate Materials Calcium MfmAmplitude Stiffness ring shape Lateral_Force_Microscopy Polystyrene ForceVolumeMapping LogAmplifier MultiLayerCeramicCapacitor Mechinical Cell hard_disk Boron