Recently, scientist from MIT have proposed a new design for a compact fusion reactor, see for example this ArXiV paper.

I do not want to discuss the physics of their reactor but am more interested in the superconductor they propose to use: rare earth barium copper oxide (ReBCo). I am interested in the availability of these high-temperature superconductors and in the applicability using them for a large experiments, requiring in principle industry production standards.

My question: Does anybody who has insights into the field of superconductors can give a comment on the usage of ReBCos for large scale coils?


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