[1] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA
[2] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan
[3] Univ Chretienne Bilingue Congo, Fac Appl Sci, Beni, North Kivu, DEM REP CONGO
[4] Japan Synchrotron Radiat Res Inst, Sayo, Hyogo 6795198, Japan
[5] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China
[6] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England
[7] Ibaraki Univ, Coll Sci, Mito, Ibaraki 3108512, Japan
[8] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA