Wonseok margarine BismuthVanadate Conductance Ferrite I-VSpectroscopy Polymer alkanes Yeditepe_University SmalScan Composition Metal molecular_self_assembly SetpointMode mono_layer ConductiveAFM China conductive ito_film ThinFilm Al2O3 fe_nd_b Transparent Non-ContactMode HexagonalBoronNitride CNT Gallium Ni-FeAlloy ImideMonomer Formamidinium_lead_iodide Pinpoint PFM align Optical Alkane TPU