New refining technique makes cheaper superconductors a reality

https://phys.org/news/2022-07-refining-technique-cheaper-superconductors-reality.html

"MgB2 95% pure... refined microstructure... 35% improvement... 30 minutes ultrasonic treatment... ultrasonication using distilled water efficient refining boron... brings down cost of MgB2 superconductors while also improving magnetic characteristics... distilled water brings down cost still being... better than previous mediums... ultrasonication... optimization of this method to bring out its complete potential as well as apply this technique in their respective fields"