Copper Korea Galfenol #EC MetalCompound Al2O3 Microchannel CeNSE_IISc Vanadate Copolymer single_layer Conductance Holes Calcium Cobalt-dopedIronOxide Chemical_Vapor_Deposition Styrene Co/Cr/Pt InorganicCompound frequency_modulation H-BN ScanningTunnelingMicroscopy self-assembly FloppyDisk Fujian Annealed ShenYang Nanostructure Inorganic_Compound BlockCopolymer MagneticArray molecular_self_assembly MfmAmplitude molecules Resistance