1. Institute of Materials Science, TU Bergakademie Freiberg, Gustav-Zeuner-Str. 5, D-09596 Freiberg, Germany
2. Institute of Nonferrous Metallurgy and Purest Materials, TU Bergakademie Freiberg, Leipziger Str. 34, D-09596 Freiberg, Germany
3. Institute of Theoretical Physics, TU Bergakademie Freiberg, Leipziger Str. 23, D-09596 Freiberg, Germany
4. Institute of Materials Research, Helmholtz-Zentrum Geesthacht, Notkestr. 85, D-22607 Hamburg, Germany
5. Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, D-22607 Hamburg, Germany
6. National Research Tomsk Polytechnic University (TPU), Lenin Avenue 30, 634050 Tomsk, Russian Federation