Bacterium Kevlar chemical_compound Grain Foil Fiber mono_layer AdhesionEnergy Hexylthiophene domain_switching TransitionMetal ContactModeDot Copolymer Solar Scratch Flake Lift MBE PatternedSapphireSubstrat molecular_self_assembly ferromagnetic SrTiO3 OxideLayer Aluminium_Oxide Magnetic Force Microscopy HardDiskMedia Vortex heterojunctions Trench PtfeMembrane Copper ForceDistanceSpectroscopy PS_LDPE Chungnam_National_University SiliconeOxide