Tin disulfide PUR Boron Litho FrictionalForceMicroscopy Pores Piranha Ferroelectric NUS_Physics WPlug WS2 OpticalWaveguide SingleLayer PatternedSapphireSubstrat LogAmplifier Barium_titanate NanoLithography small_scan sputter Butterfly MetalCompound FM-KPFM CeramicCapacitor Indium_tin_oxide GlassTemperature IndiumTinOxide Magnetic Force Microscopy Deposition cannabis semifluorinated_alkanes LiquidCrystal ForceDistanceSpectroscopy OpticalModulator NUS_NNI_Nanocore ito_film