1. Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Walter-Hülse-Str. 1, DE-06120 Halle (Saale), Germany
2. Faculty of Natural Sciences II, Martin-Luther-University Halle-Wittenberg, Heinrich-Damerow-Str. 4, D-06120 Halle (Saale), Germany
3. Interdisciplinary Center for Transfer-Oriented Research in Natural Sciences, Martin-Luther-University Halle-Wittenberg, Universitätsplatz 10, D-06120 Halle (Saale), Germany
4. Institute of Mechanics, Otto-von-Guericke-University Magdeburg, Universitätsplatz 2, D-39106 Magdeburg, Germany