P3HT atomic_steps Ananth ScanningThermalMicroscopy LithiumNiobate HOPG PetruPoni polymeric_arrays Polyimide SmallScan China Optic Ecoli Sio2 Transparent semifluorinated_alkanes epitaxy self-assembly ThermalDetectors Hexacontane medical Hafnia BoronNitride CalciumHydroxide HfO2 SurfaceChange lithography fluoroaalkane temp 2dMaterials polyvinyl acetate ImideMonomer Corrosion LifeScience ContactModeDot