[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China
[2] Jilin Univ, Minist Educ, Key Lab Automobile Mat, Changchun 130012, Peoples R China
[3] Jilin Univ, Coll Mat Sci & Engn, Changchun 130012, Peoples R China
[4] Univ Chinese Acad Sci, Beijing 100124, Peoples R China