Prof. Dr. Ulrich Rüdiger
Magnetism: Magnetic Materials and Spintronics

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Ultra high vacuum system for sample preparation and in situ investigation

Molecular beam epitaxy chamber (right-hand side):

  • 4-Pocket electron beam evaporator
  • Two effusion cells
  • Five evaporators
  • Electrospray ion beam deposition unit
  • Oxygen plasma source
  • Reflection high energy electron diffraction
  • Sample heating and cooling


Analysis chamber (left-hand side):

  • Variable temperature (25-800K) scanning probe microscope
  • Electron energy analyser for photoelectron spectroscopy
  • UV-radiation source for UPS
  • X-ray source for XPS
  • Low energy electron diffraction
  • Ion sputtering gun
  • Fast entry load lock
  • Sample heating and cooling

Ultra high vacuum cryogenic scanning tunneling microscope with magnetic field

STM chamber (left-hand side):

  • Variable temperature (1.6 - 300K) scanning tunneling microscope
  • 3D vector magnet (vertical 6 T, horizontal 1 T, 2+1T  in combined operation)
  • Optical access to the STM head

Analysis chamber (right-hand side):

  • Low energy electron diffraction (LEED)
  • 3 evaporators for metals and molecules
  • Ion sputtering gun
  • Fast entry load lock
  • Sample heating and flash-annealing

Laboratory (ZS Building):

  • Separated foundation for the STM system (35 t concrete block)
  • Separated technical room for pumps
  • Special ventilation and air conditioning system

Magnetotransport

4He magnetotransport setup with vector coil system

  • Magnetic fields: ± 1 T
  • Temperature: 4.2 to 300 K

3He/4He magnetotransport setup

  • Magnetic fields: ± 14 T
  • Temperature: 300 mK to 300 K

High frequency setup for magnetotransport measurements

  • Magnetic fields: ± 0.5 T
  • Temperature: 4.2 to 300 K