ito_film PhaseTransition Oxide Chungnam_National_University Workfunction Ceramics Neodymium LightEmiting Lanthanum_aluminate hetero_structure SRAM Flake FrictionalForceMicroscopy SAM HiVacuum Composition MembraneFilter TemperatureControl ContactModeDots Worcester_Polytechnic_Institute Step Polarization SiliconeOxide Ucl PS_LDPE LowDensityPolyethylene pinpoint mode KAIST Zhi PvdfFilm Gallium non_contact Heating CNT STM