TappingMode Global_Comm HafniumDioxide TempControl AM-KPFM SFAs PECurve atomic_layer GaP domain_switching molecular_self_assembly cross section flakes ring shape Nickel Mechanical Magnetostrictive Hafnia HexacontaneFilm semifluorinated alkane Solution PUR PiezoelectricForceMicroscopy Fendb Treatment ElectrostaticForceMicroscopy ContactModeDots PolyStylene Ceramic Phenanthrene NeodymiumMagnets Fet ScanningThermalMicroscopy ULCA Fe_film