AC Field Parallel Dipole Line Hall Measurement - PDL-1000

The PDL Hall system from Semilab is designed to handle AC and DC Hall measurement modes. The AC field measurement is mainly for materials that have a mobility of less than 0.1 cm2/Vs, which is a benefit when compared to the DC field measurement mode. Materials with such characteristics are typically photovoltaic, semiconductor, or thermoelectric materials.

Key Features

  • Simple and strong tabletop system design
  • Can measure a broad range of mobilities, including very low mobilities and semi-insulating samples; has the capability to carry out alternating (AC) as well as traditional static field (DC) Hall measurements
  • Tabletop arrangement, utilizing rotating Parallel Dipole Line magnets (bulky electromagnet not necessary)
  • Cooling system is not required
  • Software extracts low Hall signal using software-based lock-in detection (thus avoiding the need for expensive hardware-based lock-in detection)
  • Software-regulated measurement and automated parameter extraction


  • Compact design
  • Easy-to-operate
  • High sensitivity (can handle mobility below 0.1 cm2/Vs)
  • Uniformity (less than 2% sample size up to 10 × 10 mm)
  • Large magnetic field (about 2.5 T pk-pk)
  • Proprietary signal processing and user interface (UI) software
  • Gate bias voltage option

AC Field Parallel Dipole Line Hall Measurement—PDL-1000

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