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

STM