Collagen PANI Global_Comm Phosphide bias_mode Polyurethane Semiconductor Cobalt-dopedIronOxide EFM F14H20 Ecoli India CP-AFM Nanopattern Strontium Polydimethylsiloxane light_emitting LifeScience GlassTemp 2-vinylpyridine Polarization WS2 exfoliate 3-hexylthiophene MoirePattern Inorganic_Compound InsulatorFilm Chemical_Vapor_Deposition FFM Graphite AtomicSteps Jason Mechanical ScanningKelvinProbeMicroscopy Cross-section