高性能Sm2Fe17N x 粉体制备的研究进展

何颖, 李超群, 陈小立, 龙芝梅, 赖嘉琪, 邵斌, 马毅龙, 陈登明, 董季玲

Recent Development for Preparation Processes of Sm2Fe17N x Powders with High Magnetic Properties

HE Ying, LI Chaoqun, CHEN Xiaoli, LONG Zhimei, LAI Jiaqi, SHAO Bin, MA Yilong, CHEN Dengming, DONG Jiling

图7 分别用溶胶凝胶法[29]、共沉淀法[10]、水热法[54]和溶剂热解法[56]制备前驱体,再进行还原扩散后的Sm2Fe17N x 的SEM照片和磁化曲线

Fig.7 Precursors were prepared by sol-gel method[29] (a), coprecipitation method[10] (b), hydrothermal method[54] (c) and solvopyrolysis method[56], SEM image and magnetization curve of Sm2Fe17N x obtained after reduction and diffusion treatment (d)