Steps HOPG ForceVolumeImage NtuEee Optoelectonics Battery polymeric_arrays Terrace hard_disk LeakageCurrent GaP Scanning_Thermal_Microscopy ito_film AM-KPFM HardDisk PolyvinylAcetate LowDensityPolyethylene Protein Plug Calcite CVD ReflexLens BiVO4 Celebration Tin disulfide Mechanical Aggregated_molecules VortexCore InsulatorFilm Vinylpyridine Typhimurium IndiumTinOxide cooling P3HT bias_mode