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by ianburrell
1048 days ago
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I don't think -160C would change much since it would still need cryogenic cooling. Liquid nitrogen is the most common and cheapest cryogenic. YBCO is liquid nitrogen cooled and has the advantage that can make in large quantities and has high field strengths. But if it was slightly warmer, over -153C, then it could use non-cryogenic refrigerants. |
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