Beads OxideLayer Magnetic Force Microscopy P3HT LateralPFM non_contact LiBattery Singapore fe_nd_b FrequencyModulation UTEM CopperFoil WWafer FloppyDisk hard_disk LiquidImaging MoS2 Topography Sulfur Chrome Aggregated_molecules Lattice Implant SPMLabs Dimethicone Pipette Au111 CNT SelfAssembly PolymerBlend Array Water NTU FM_SKPM University_of_Regensburg