1. Department of Experimental Physics, Faculty of Fundamental Problems of Technology, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
2. Institute of Experimental Physics, Faculty of Physics, University of Warsaw, 02-093 Warsaw, Poland
3. Laboratoire National des Champs Magnétiques Intenses, EMFL, CNRS UPR 3228, Université Toulouse, Université Toulouse 3, INSA-T, Toulouse 31400, France
4. Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
5. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
6. Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 50-422 Wrocław, Poland