Stiffness GranadaUniv Resistance AtomicSteps 2-vinylpyridine lithography Mfm StyreneBeads OpticalElement C_AFM nanobar light_emitting Step Film Adhesive small_scan I-VSpectroscopy Grain Cobalt-dopedIronOxide Hafnia fifber HanyangUniv LightEmiting Gong MESA structure Conductivity PS_LDPE Device 2dMaterials GaN AnodizedAluminumOxide PyroelectricDetector BloodCell Etch Wonseok