1. High Field Magnet Laboratory (HFML ‐ EMFL) Radboud University Toernooiveld 7 ED 6525 Nijmegen The Netherlands
2. Radboud University Institute for Molecules and Materials Heyendaalseweg 135 AJ 525 Nijmegen The Netherlands
3. B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine Nauky Ave 47 61103 Kharkiv Ukraine
4. CPHT CNRS Ecole Polytechnique Institut Polytechnique de Paris Route de Saclay 91128 Palaiseau France
5. Collège de France 11 place Marcelin Berthelot 75005 Paris France
6. Research Center for Materials Science and Engineering Vienna University of Technology Karlsplatz 13 A‐1040 Vienna Austria
7. FELIX Laboratory Radboud University Toernooiveld 7 ED 6525 Nijmegen The Netherlands
8. Molecular Photoscience Research Center Kobe University Kobe 657‐8501 Japan
9. Experimental Physics V Center for Electronic Correlations and Magnetism Institute of Physics University of Augsburg 86159 Augsburg Germany