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Electrical transport

For the characterization of electrical transport properties, two custom built setups are available, namely a system for Hall effect measurements and a mechanical probe station with a semiconductor analyzer as well as a Seebeck module.

Setup for Hall effect measurements:

  • He-flow cryostate (4.2 K to 400 K)
  • Electromagnet for fields up to 0.8 T
  • DC measurement electronics
  • Possibility to illuminate sample with LEDs

Manual probe station

  • Keithley 4200 semiconductor parameter analyzer including
    • 3 source-measure units
    • variable frequency (1 kHz–10 MHz) impedance spectroscopy unit
  • Seebeck measurement setup (using Peltier elements and thermocouple probes)
  • Possibility to illuminate sample with LEDs