1. Institute of Physics Chair of Solid State and Materials Science Augsburg University Universitätsstrasse 1 86159 Augsburg Germany
2. Wydział Chemii Uniwersytet Wrocławski ul. F. Joliot-Curie 14 50-383 Wrocław Poland
3. Institute of Physics Chair of Chemical Physics and Materials Science Augsburg University Universitätsstrasse 1 86159 Augsburg Germany