HardDisk ElectrostaticForceMicroscopy Defect Microchannel Dopped piezoelectric force microscopy Carbon Pzt BiasMode Laser HiVacuum PolyvinylAcetate Lateral_Force_Microscopy Water TappingMode mechanical property Vortex Mechinical HydroGel 2-vinylpyridine Strontium STO Protein Piezoelectric graphene_hybrid Ceramics Temperature suspended_graphene cannabis HOPG Nanofiber Aggregated_molecules Polytetrafluoroethylene Yeditepe light_emission