ULCA Ananth Pore CntFilm LMF Optic Multiferroic_materials SiliconOxide ScanningIon-ConductanceMicroscopy ito_film Kevlar self_assembly Pattern LowDensityPolyethylene Morphology Liquid VerticalPFM Conduct Etch NTU Photovoltaics molecule membrane Step atomic_steps Ceramics Typhimurium margarine Polarization SmallScan Bio Wonseok self-assembly Polymer SKKU