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What is the smallest amount of He you can use to cool a superconducting magnet?
This is an engineering question, but it is adressed to physicists who build accelerators. This question: An electromagnetic space elevator? notices that a NbSn superconducting ring around the equator ...
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1 Mohm Resistivity at cryogenic temperature for doped silicon
I would like to pick the correct doping of silicon to get 1 Mohm cm resistivity at liquid helium temperature of 4.2 K. The metal insulator transition implies that I need a very accurate doping. Are ...
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Does a Peltier Thermoelectric layer make a good regulator for LN2 heat-sink interfacing
I understand that when cooling water with LN2 directly (through pipes for example), that it can be too effective, freezing the water (and blocking the pipe).
From what I read, regulation of the heat ...
