Molybdenum StyreneBeads Hole Ecoli PpLdpe PvdfBead Sic PS_PVAC Ceramic IndiumTinOxide Glass Modulus F14H20 EFM gallium_nitride Molybdenum_disulfide PUR Gallium BiVO4 Lateral mfm_amplitude STM Celebration Scanning_Thermal_Microscopy DeoxyribonucleicAcid PetruPoni_Institute mechanical property GaN multi_layer Hexylthiophene piezoelectric force microscopy self-assembly Materials Scratch Plug