Litho lithography Piranha Switching SetpointMode FrictionalForceMicroscopy sputter Sulfur SiliconOxide ferromagnetic HDD SrTiO3 Polystyrene Edwin DNAProtein Pattern Holes mono_layer StainlessSteel gallium_nitride 2dMaterials Implant Formamidinium_lead_iodide Piezoresponse Regensburg mechanical_property LiquidImaging Protein Composite mfm_amplitude TemperatureControl Beads MoirePattern plastic single_layer