[Wang, Chenger; Yu, Jinqiu; Luo, Liang] GRINM Grp Co Ltd, Natl Engn Res Ctr Rare Earth, Beijing 100088, Peoples R China.
[Wang, Chenger; Yu, Jinqiu; Luo, Liang] GRIREM Adv Mat Co Ltd, Beijing 100088, Peoples R China.
[Wang, Chenger; Yu, Jinqiu; Luo, Liang] Res Inst Nonferrous Met, Beijing 100088, Peoples R China.
[Sun, Xilei; Lv, Junguang] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.
[Sun, Xilei; Lv, Junguang] Chinese Acad Sci, Inst High Energy Phys, State Key Lab Particle Detect & Elect, Beijing 100049, Peoples R China.