Ucl Boundary optoelectronics ElectrostaticForceMicroscopy Steps mfm_amplitude Bmp ito_film University_of_Regensburg margarine mechanical_property contact Epoxy solar_cell TempControl VortexCore Austenite Fe_film PatternedSapphireSubstrat Foil ImideMonomer IVSpectroscopy BariumTitanate Polymer temperature controller AFM heterojunctions Cobalt-dopedIronOxide SelfAssembly NUSNNI SiliconCrystal conductive HumanHair DIWafer NtuEee Worcester_Polytechnic_Institute