Student Manual

This experiment gives you an idea of how to make conductivity measurement in low temperature regime using a closed cycle helium cryostat, compressor, vacuum unit, chiller/re-circulator and temperture controler. The cryostat can achieve temperatures in the vicinity of 7K when subject to a vacuum of 1 mtorr. Materials like conductors, semiconductors and superconductors are subjected to such measurements.

Software Codecodes
Sample ResultsResistivity versus temperature plot for Aluminum
Resistivity versus temperature plot for Copper
Hardware ManualIntroduction to laboratory cryogenics (Janis Research)
User manual for cryodyne refrigerator (CTI-Cryogenics)
Experiment Code2.17

Further Readings and References


Pictorial Procedure