semifluorinated_alkane LiftMode ContactMode FrictionalForce HighAcpectRatio molecular_beam PyroelectricDetector Temasek_Lab LaAlO3 ThinFilm SurfaceOxidation Worcester_Polytechnic_Institute BiasMode Polyurethane Water layers fluorocarbon align TappingMode Ptfe Lateral_Force_Microscopy Logo MetalCompound Domain PetruPoni_Institute NUS TriGlycineSulphate China FuelCell InorganicCompound CHRYSALIS_INC Adhesion Sadowski Tungsten_disulfide BTO