Sperm Chungnam_National_University SiWafer HOPG doped CalciumHydroxide HardDiskMedia PVAP3HT DNAProtein ForceMapping ElectrostaticForceMicroscopy Aluminium_Oxide MechanicalProperty China Adhesion ForceVolume CompactDisk BismuthFerrite Friction Wildtype Solar TiO2 multi_layer FuelCell KelvinProbeForceMicroscopy Varistor NusEce Lanthanum_aluminate BaTiO3 BlockCopolymer Ito AlkaneFilm India LiftMode Fe_film