Crystal Singapore Switching small_scan Austenite dielectric trench kelvin probe force microscopy Tungsten_disulfide PVAC AEAPDES mono_layer PvdfFilm Hafnium_dioxide SelfAssembly SrTiO3 Sio2 Melt PetruPoni CrAu VortexCore PhaseImaging ThinFilm sputter AnodizedAluminumOxide Copolymer SiliconOxide Polymer Inorganic dielectric_trench Roughness Glass HexagonalBoronNitride DataStorage SAM Optical