NanoLithography TipBiasMode PS_LDPE ferromagnetic SrTiO3 ForceVolumeImage dichalcogenide FuelCell Boundary Leakage blended polymers HydroGel Photovoltaics LateralForceMicroscopy YszSubstrate Friction NTU BFO Hexatriacontane Molybdenum_disulfide LiquidCell Scratch Alkane Terrace strontiu_titanate HanyangUniv MESA structure Holes UnivMaryland SKPM LaAlO3 Indent molecular_self_assembly Silicon Film