Measurement System
A tical variable temperature Hall Effect Measurement system includes:
?? High-purity high-pressure gas (tically nitrogen or argon)
?? A filter/dryer apparatus (cooling stages only) with high-pressure gas lines
?? Thermal stage for heating and/or cooling
?? MMR’s Programmable Temperature Controller and Hall Effect Measurement Controller
?? Vacuum Chamber Equipped with Triax Cables for Data Acquisition
?? Magnet setup (may be a permanent magnet or an electromagnet and the required power supplies
for operation)
?? Vacuum Pump Setup
?? Spring Loaded Probes or a Kapton Harness for taking 4-point van der Pauw Measurements
?? Computer