MolybdenumDisulfide NUSNNI Tin disulfide Metal AtomicSteps FrictionForce PetruPoni_Institute PyroelectricDetector Conducting ThermalConductivity Aggregated_molecules Polytetrafluoroethylene Sadowski ForceMapping LiIonBattery ContactModeDot Silver Granada Phosphide FailureAnlaysis INSPParis PpLdpe NanoLithography Layer Non-ContactMode LiquidImaging Molybdenum_disulfide HighResolution vertical_PFM Ram PatternedSapphireSubstrat Oxide UnivCollegeLondon Polarization Copper