index

Equipment Available for Measuring Magnetic Properties

( Including Joint Magnetism Lab with Fraunhofer IWKS at TUDA )

• QD 14 Tesla PPMS – Systems

  • Superconducting Magnetic Assembly
  • Vacuum / Exchange Gas Assembly
  • Temperature Control Assembly

• QD 14 Tesla PPMS – Options

• AC / DC MAGNETIZATION

  • Temperature Range: 1.9 – 350 K
  • AC Frequency Range: 10 Hz to 10 kHz
  • AC Field Amplitude Range: 2 mOe to 15 Oe
  • DC Magnetization Measurements: 2.5 x 10-5 emu to 5 emu
  • AC Susceptibility Measurements: 2 x 10-8 emu @ 10 kHz

• VSM measurement parameters

  • Temperature Range: 1.9 – 350 K
  • VSM oscillation frequency: 40 Hz
  • VSM oscillation amplitude: 2 mm peak

• TORQUE MAGNETOMETRY (to be used with horizontal rotator)

  • Temperature Range: 1.9 – 350 K
  • Sample Size: Up to 2 x 2 mm2
  • Sample Mass : up to 10 mg (depending on anisotropy)

• ELECTRO-TRANSPORT (to be used with horizontal rotator)

  • Noise: HGA 0.5 nV/√Hz @ 1kHz (typ.),
  • 1 nV/√Hz (maximum) PGA
  • 5 nV/√Hz @ 1kHz (typ.),10 nV/√Hz (maximum)

• THERMAL MEASUREMENTS

  • Temperature Range: 1.9 – 400 K
  • Sample Size: 1 – 200 mg (20 mg, typ.)
  • Heat Capacity resolution: 10 nJ/K @ 2 K
  • Measurement Accuracy: < 5%, 2–300 K < 2%, typ
  • Working Pressure: < 0.01 mTorr (with charcoal holder)

• THERMAL TRANSPORT OPTION

  • Thermal conductivity
  • Seebeck coefficient
  • Electrical resistivity
  • Thermoelectric figure of merit

• In-house developed insert for magnetostriction measurements

  • Simultaneous measurements
  • Single sample characterization
  • Uniform same conditions
  • Precise temperature control

• HMD Pressure Cell

  • Maximum Applied Pressure – 1.3 GPa
  • Sample Space Diameter – 1.7 or 2.2 mm
  • Sample Space Length – 7 mm max
  • Cell Diameter – 8.5 mm
  • Temperature Range – 1.9 to 400K

• QD PPMS 14 – AFM / MFM

• Atomic & Magnetic Force Microscope

  • Temperature: 1.9 K – 400 K
  • Field: ± 14 T