contact Bacteria HanyangUniv SSRM Modulus TCS IIT-chennai LateralPFM PANI Lateral_Force_Microscopy silicon_oxide OrganicSemiconductor DiffractiveOpticalElements CarbonNanotube Multiferroic_materials Nanostructure CrystalGrowing Fiber WPlug AM_KPFM FrictionalForce Polarization norganic IndiumTinOxide Indium_tin_oxide Jason MembraneFilter kelvin probe force microscopy MetalCompound Insulator WS2 Composite FailureAnalysis FM-KPFM Topography