3 ms·
YBCO superconducts as high as about 93K, so we're talking 17K difference. Which is useful but not wildly so. LN2 boils at 77K, for reference.
by snitty 3y ago
YBCO superconducts as high as about 93K, so we're talking 17K difference. Which is useful but not wildly so. LN2 boils at 77K, for reference.
- EthanHeilman 3y agoYBCO is used in cutting edge Tokmak fusion reactors like SPARC. I'm not sure how an 18% increase in allowable temperature would change how much closer you could move the magnets to the plasma. Squinting at Figure 1 in [0], it seems possible you could get significant increased in Q from 18% increase in temperature. [0]: Overview of the SPARC tokamak. Journal of Plasma Physics https://www.cambridge.org/core/journals/journal-of-plasma-physics/article/overview-of-the-sparc-tokamak/DD3C44ECD26F5EACC554811764EF9FF0 https://www.cambridge.org/core/journals/journal-of-plasma-ph...
- Robotbeat 3y agoMercury based cuprate superconductors go even higher than YBCO, like 145K at ambient pressure.
- nullc 3y agofor YBCO the critical field increases the further you get from its threshold temp. If being further from the threshold temp implies a higher critical field then that is very useful.