ReflexLens Roughness Scratch Litho Friction molecular_beam Mechinical self_healing Strontium cross section PS_LDPE Chrome Scanning_Thermal_Microscopy Genetic Fujian Optoelectronic Led Korea Modulus LateralPFM Oxide Aluminium_Oxide SingleLayer IRDetector semifluorinated alkane MechanicalProperties lithography PtfeFilter PatternedSapphireSubstrat mfm_amplitude Hafnium_dioxide Polarization Growth Butterfly Ni81Fe19