[1] Inner Mongolia Univ Sci & Technol, Sch Mat Sci & Engn, Baotou 014010, Peoples R China
[2] Inner Mongolia Univ Sci & Technol, Key Lab Green Extract & Efficient Utilizat Light R, Minist Educ, Baotou 014010, Peoples R China
[3] Inner Mongolia Univ Sci & Technol, Inner Mongolia Key Lab Adv Mat & Devices, Baotou 014010, Peoples R China
[4] Inner Mongolia Univ Sci & Technol, Sch Rare Earth Ind, Baotou 014010, Peoples R China
[5] Xian Rare Met Mat Inst Co Ltd, Xian 710016, Peoples R China