STM Facilities

We have three Scanning Tunneling Microscopes in the Applied Physics Research Group.

Home Built Ultra High Vacuum Scanning Tunnelling Microscope comprising:

  • MBE and Preparation chamber
  • STM chamber
    • 0.1 T in-plane magnetic
    • LEED and AES optics
    • Resistive heater to 900 K for annealing
    • Electron beam heater to 2500 K for annealing
    • Triple-source e-beam evaporator
    • Cold-cathode ion source for Ar + ion etching
    • Residual gas analyser
    • 2 variable leak valves for gas processes
    • Load-lock

Home Built Ultra High Vacuum Scanning Tunnelling Microscope comprising:

  • MBE and Preparation chamber
  • Magneto-optical Kerr effect chamber
  • STM chamber
    • LEED and AES optics
    • 2 resistive heaters to 900 K for annealing
    • Electron beam heater to 2500 K for annealing
    • Single source e-beam evaporator
    • Mini high temperature effusion cell
    • Dual filament ion source for Ar + ion etching
    • 2 variable leak valves for gas processes
    • Load-lock

Commercial Low Temperature Ultra-High Vacuum Scanning Tunnelling Microscope (CreaTec)

  • Preparation chamber
    • Main manipulator
    • Liquid nitrogen cooling
    • E-beam heater for annealing
  • Load-lock chamber
  • STM chamber (with cryostat and superconducting magnet)
    • LEED optics
    • 4 pocket e-beam evaporator
    • Knudsen cell for the evaporation of molecules
    • Ion source for Ar + etching
    • 2 variable leak valves for gas processes