[1] Univ Lille, UCCS CNRS 8181, FR-59652 Villeneuve Dascq, France
[2] Chinese Acad Sci, Wuhan Inst Phys & Math, Wuhan Ctr Magnet Resonance, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China
[3] Chinese Acad Sci, Grad Sch, Beijing, Peoples R China