Korea Conductive AFM Copolymer AM_KPFM TPU CarbonNanotube Mfm ThermalProperties mono_layer plastics organic_polymer Force-distance DiffractiveOpticalElements DomainSwitching Topography PtfeMembrane semifluorinated alkane Typhimurium fe_nd_b PiezoelectricForceMicroscopy mechanical property Chromium vertical_PFM Microchannel 2dMaterials Blood TiO2 PatternedSapphireSubstrat Self-assembledMonolayer Polyaniline AAO Pzt Vinylpyridine Mechinical NUS_NNI_Nanocore