Effects of terbium sulfide addition on magnetic properties, microstructure and thermal stability of sintered Nd–Fe–B magnets
Li Xiang-Bin1, Liu Shuo1, Cao Xue-Jing1, 2, Zhou Bei-Bei1, Chen Ling2, Yan A-Ru2, Yan Gao-Lin1, †,
       

Back-scattered electron (BSE) SEM micrograph of the 3 wt.% Tb2S3-added Nd–Fe–B sintered magnet.