Lakeshore 7129 AC Susceptometer/DC Magnetometer system:

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Specifications

Dynamic magnetic susceptibility measurements:

  • mutual inductance method,
  • temperature range: 1.4-300 K,
  • AC magnetic field range: 0.5-30 Oe,
  • frequency range: 5-9950 Hz,
  • accuracy 10-7 emu,
  • AC magnetic moment measurements for maximum B = 40 Oe,
  • higher harmonic susceptibility measurements.
Static magnetization measurements:

  • extraction Weiss method,
  • temperature range 1.4-200 K,
  • maximum magnetic field B = 9 T,
  • accuracy 10-4 emu.


Detailed specification of the system is available here: User's Guide.

System maintenance

Magnetometer was repaired in May 2003 thanks to the grant of:
Foundation for Polish Science