DeflectionOptics medical nanobar Tungsten ForceMapping semifluorinated_alkane Bacterium LateralPFM molecule ShenYang HexagonalBN InLiquid #Materials Polyaniline ForceVolumeMapping Wang Conductivity ImideMonomer atomic_layer Sic Fendb PUR SKKU Global_Comm ReflexLens Friction Copper SSRM MoS2 HOPG NUSNNI hydrocarbon ThinFilm epitaxy Zhi