High frequency magnetotransport setup with Vector Coil System

Location:

  • Johannes Gutenberg University

Specifications:

  • Helium bath/flow cryostat
    • Temperature range: 1.5 K to 300 K
  • Two coil magnet system
    • Vertical coil: magnetic field up to 0.3 T
    • Horizontal coil: magnetic field up to 0.1 T
  • Sample holder:
    • 12 DC lines
    • 4 high frequency lines (up to 40 GHz)
  • Measurement techniques
    • Resistance, magnetoresistance and Hall effect: AC (using lock-in amplifier) and DC (using current source and nanovoltmeter)
    • Microwave injection: homodyne detection scheme1

 

1D. Bedau, et al., Phys. Rev. Lett. 99, 146601 (2007)