Semiconductor NUS_Physics Hexatriacontane University_of_Regensburg AM-KPFM EFMAmplitude graphene_hybrid HexagonalBN GlassTemp Nanopattern KPFM LiquidImaging CP-AFM Polyvinylidene ring shape 2d_materials CrAu Electical&Electronics CeramicCapacitor UnivMaryland 3-hexylthiophene PANI FFM silicon_carbide Hysteresys BiFeO3 Hydroxyapatite Strontium Polyvinylidene_fluoride ElectroChemical ThinFilm Christmas Granada thermoplastic_elastomers SiliconeOxide