fe_nd_b AIN PtfeFilter Scanning_Thermal_Microscopy Sulfur ElectroDeposition Wonseok C60H122 CrossSection Celebration Mapping ring shape Topography GranadaUniv Piezo CuFoil Patterns Spincast ForceMapping Materials HydroGel molecular_beam INSPParis HOPG Inorganic_Compound Oxidation DataStorage ScratchMode IndiumTinOxide LithiumNiobate heterojunctions PinpointPFM Pinpoint PFM MBE ferromagnetic