Hexylthiophene NUSNNI doped alkanes #Materials Tin disulfide Conduct Magnetic Force Microscopy NUS PinpointPFM OpticalWaveguides self-assembled_monolayer Mechinical DiffractiveOpticalElements SrTiO3 sputter temperature controller AFM PolyimideFilm Patterns ShenYang Nickel Tin sulfide Heat Dimethicone Ferrite LFM China rubber Potential TransitionMetal high_resolution Self-assembledMonolayer BoronNitride AdhesionEnergy molecular_beam