[1] NE Normal Univ, Key Lab Polyoxometalate Sci, Minist Educ, Fac Chem, Changchun 130024, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resource Utilizat, Changchun 130022, Peoples R China
[3] CNRS, Ctr Rech Paul Pascal, UPR 8641, Equipe Mat Mol Magnet, F-33600 Pessac, France
[4] Univ Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France