作者单位:XU Jing,WANG Zhi-qiang,LI Ming-lai,PANG Si-ming,CHEN De-hong,LI Zong-an(National Engineering Research Center for Rare Earth Materials, General Research Institute for Non-ferrous Metals, and Grirem Advanced Materials Co. , Ltd. , Beijing 100088, China)徐静,王志强,李明来,庞思明,陈德宏,李宗安(北京有色金属研究总院稀土材料国家工程研究中心,有研稀土新材料股份有限公司,北京100088)