Hexylthiophene Dimethicone Lattice Composite AtomicLayer FM_KPFM Crystal VerticalPFM Corrosion semifluorinated_alkane SelfAssembly Transparent CuFoil LaAlO3 Graphene NanoLithography ElectroChemical ThinFilm NUS_Physics strontiu_titanate Barium_titanate non_contact pinpoint mode PFM MfmAmplitude HighResolution H-BN LithiumNiobate GranadaUniv WS2 Cobalt-dopedIronOxide StrontiuTitanate ShenYang Metal NUS