Optimal uni-axial ferromagnetism in (La,Ce)${}_2$Fe${}_{14}$B for permanent magnets

Munehisa Matsumoto, Masaaki Ito, Noritsugu Sakuma +3

Prospects for light-rare-earth-based permanent magnet compound R${}_2$Fe${}_{14}$B (R=La${}_{1-x}$Ce${}_x$ with $0\le x\le 1$) are inspected from first principles referring to the lat…