1. University of Augsburg, Institute of Physics, Chair of Solid State and Materials
Chemistry, Universitätsstrasse
1, 86159 Augsburg, Germany
2. University of Augsburg, Institute of Physics, Experimental Physics V, Center for Electronic
Correlations and Magnetism, Universitätsstrasse 1, 86159 Augsburg, Germany
3. Georg-August-Universität Göttingen, Institute of Inorganic
Chemistry, Tammannstraße
4, 37077 Göttingen, Germany