1. Institute for Applied Physics, Academy of Science of Moldova, Chisinau MD-2028, Republic of Moldova
2. Hochfeld-Magnetlabor Dresden (HLD-EMFL), Helmholtz-Zentrum Dresden-Rossendorf, Dresden D-01314, Germany
3. Hochfeld-Magnetlabor Dresden (HLD-EMFL), Helmholtz-Zentrum Dresden-Rossendorf, Dresden D-01314, Germany and Institut für Festkörperphysik, Technische Universität Dresden, Dresden D-01062, Germany
4. Institute for Applied Physics, Academy of Science of Moldova, Chisinau MD-2028, Republic of Moldova and Experimental Physics 5, Center for Electronic Correlations and Magnetism, Institute of Physics, Universität Augsburg, Augsburg D-86159, Germany