New approach to ‘cosmic magnet’ manufacturing could reduce reliance on rare earths in low-carbon technologies

https://www.cam.ac.uk/research/news/new-approach-to-cosmic-magnet-manufacturing-could-reduce-reliance-on-rare-earths-in-low-carbon

"diffraction pattern tetrataenite looks like that of structure expected for iron-nickel alloys... disordered crystal not of interest as a high-performance magnet... phosphorus allows iron and nickel atoms move faster, enabling to form necessary ordered stacking without waiting millions years... mixing iron, nickel and phosphorus... speed up tetrataenite formation 11 to 15 orders magnitude... forms few seconds in simple casting... melted alloy, poured into mould, and we had tetrataenite"