Grain boundary restructuring and La/Ce/Y application in Nd–Fe–B magnets
Yan Mi †, Jin Jiaying, Ma Tianyu
       

(a) Enlarged Rietveld refined XRD patterns of 2θ between 41°–44.2° for [(Pr, Nd)1−x(La, Ce)x]2.14Fe14B powders. (b) Dependences of lattice parameters a, c, c/a ratio and unit cell volume V of the 2:14:1 tetragonal phase on the La–Ce content x.[23]