Piranha hetero_structure CuSubstrate Mapping Zagreb TappingMode blended polymers PhthalocyaninePraseodymium SKKU CNT cross section Tin sulfide KPFM SiWafer HiVacuum InsulatorFilm Blend aluminum_nitride SAM LFM Lateral_Force_Microscopy cooling ForceVolume AAO Spain Lift Mechinical Aluminium_Oxide INSPParis Wafer nanobar Hafnium_dioxide light_emitting Domain ElectroChemical