Sapphire polymeric_arrays Dimethicone Hafnium_dioxide Lateral SrO Nickel Wildtype Piezo Topography EPFL Annealing Polyvinylidene_fluoride BlockCopolymer CP-AFM SiWafer LogAmplifier EvatecAG SurfaceOxidation CalciumHydroxide Adhesion GaAs CntFilm Au111 ScanningSpreadingResistanceMicroscopy IVSpectroscopy Titanate Patterns solar_cell Subhajjit Electrode Moire Bismuth ScanningTunnelingMicroscopy Worcester_Polytechnic_Institute