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

(a) DSC curves for specimens with x = 0, 0.1, 0.3, and 0.5 upon heating to 1550 K at 20 K/min. (b) XRD pattern of the as-quenched [(Pr, Nd)0.5(La, Ce)0.5]2.14Fe14B (x = 0.5) strip after annealing at 1250 K for 1 h.[23]