lift_mode Fujian AEAPDES Polydimethylsiloxane ConductiveAFM Sulfur cross section DNA Tapping HumanHair nanobar Conductivity dichalcogenide PinpointPFM align Nanostructure Spain Calcium PhaseImaging STM thermal_conductivity Global_Comm polymeric_arrays Step graphene_hybrid Filter HiVacuum MfmAmplitude C_AFM Lanthanum_aluminate Battery solar_cell HighAspect Gallium block_copolymer