Sadowski Ucl flakes organic_polymer NUS_NNI_Nanocore Step multi_layer Biology dielectric_trench FastScan Growing layers Water Magnets Dimethicone TempControl Switching Annealing AIN sputter H-BN ForceVolume gallium_nitride Corrosion CarbonNanotube Heat molecules UnivMaryland Al2O3 Ferroelectric SrTiO3 SoftSample Potential STM OrganicCompound