GaN WS2 Hexacontane ScanningKelvinProbeMicroscopy TiO2 Permalloy HardDiskMedia mechanical_property Mosfet PhaseChange Graphene semifluorinated_alkanes hetero_structure TemperatureControlledAFM Polyimide MfmAmplitude Global_Comm Mechanical&nanotechnology MolybdenumDisulfide TungstenDeposition BloodCell Perovskite Bacterium CNT LowDensityPolyethylene SPMLabs SrO Varistor domain_switching LiBattery AtomicSteps FrictionForce Oxide frequency_modulation HDD