End-to-End Method of Protecting Sensitive Samples for Cryogenic  Experiments

Choosing the right solution to protect the sample enables pre-screening of devices, as well as protection and maintenance of their integrity, which also helps fully characterise their performance.

Challenges

  • Nanodevices are incredibly sensitive, and can be destroyed by incorrect handling
  • Owing to immature device fabrication, it is unclear what ‘good looks like’
  • Production of variant 2DEG material by material growers is faster than the physicists can measure
  • Most devices prove to be useless before the fridge starts condensing mixture

The Solution

Experimenters now have an end-to-end method of protecting sensitive samples from accidental electrostatic discharge (ESD). The system comprises of a rack mount SampleProtectTM Switching Unit (SPSU) that is connected via measurement grade cables and sample probes. Further, the unit also contains sample holders with an additional socket for an equi-potential plug.

In addition, it is possible to demount the sample holders from the probe, with each probe capable of accommodating multiple types of sample holder. Furthermore, sample holders are transferable between probes, or even to a HelioxVT or KelvinoxJT ultra-low temperature (ULT) insert.

  • Can be used over a wide range of temperatures with all products and new experimental measurement probes
  • High quality measurement grade cables
  • Low noise

This information has been sourced, reviewed and adapted from materials provided by Oxford Instruments Nanoscience.

For more information on this source, please visit Oxford Instruments Nanoscience.

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