InLiquid PinPointMode MetalCompound TyphimuriumBiofilm Conducting Ptfe Graphite TemperatureControl SurfaceChange Step FrictionalForceMicroscopy H-BN neodymium_magnets Cobalt-dopedIronOxide PVA hetero_structure Zagreb HBN PDMS STM Ananth Corrosion ForceVolume BariumTitanate Non-ContactMode Regensburg ScanningKelvinProbeMicroscopy Hexylthiophene Gallium Crystal CeNSE_IISc NusEce #Materials Flake HexacontaneFilm