Nanosurf DriveAFM (AFM - Atomic Force Microscopy)

Technical specifications

DriveAFM
  • maximum sample diameter up to 15 cm in diameter
  • 100 µm in X & Y and 20 µm in Z (piezo scanner)
  • 840 nm SLD readout light source, 785 nm photothermal excitation laser for optional photothermal cantilever excitation
  • automatic, motorized approach over 10 mm
  • automatic laser and detector alignment
  • operation in air and liquid
  • XY drive resolution: 0.4 pm
  • Z drive resolution: 0.06 pm
  • Z measurement noise level (dynamic): typ. 20 pm, max. 35 pm (RMS, dynamic mode in air) in a suitable environment
  • detector bandwidth: DC - >6 MHz
  • operating temperature: 15-40°C
  • humidity: up to 75% r.h.

Modes

  • Standard imaging modes: Contact mode, Dynamic mode
  • WaveMode
  • Phase contrast, Friction mode
  • Magnetic Force Microscopy (MFM)
  • Electrostatic Force Microscopy (EFM)
  • Kelvin Probe Force Microscopy (KPFM)
  • Piezoresponse Force Microscopy (PFM)
  • Spectroscopy modes
  • Lithography and manipulation mode

Typical applications

  • Surface roughness measurements
  • Step height and characterization of surfaces
  • Force spectroscopy of cell structures and biological membranes
  • Viscoelastic mapping of mechanical properties

Location

Department of Physics, Lab 0.17