1. Institute of Physics Martin Luther University Halle-Wittenberg Heinrich-Damerow-Strasse 4 06120 Halle, Saale Germany
2. Max Planck Institute of Microstructure Physics Weinberg 2 06120 Halle, Saale Germany
3. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials & College of Materials Science and Engineering Donghua University Shanghai 201620 China
4. Fraunhofer Institute for Microstructure of Materials and Systems Walter-Hülse-Strasse 1 Halle, Saale Germany
5. Interdisciplinary center of materials science Martin Luther University Halle-Wittenberg Heinrich-Damerow-Strasse 4 06120 Halle, Saale Germany
6. Centre for Innovation Competence SiLi-nano® Martin Luther University Halle-Wittenberg Karl-Freiherr-von-Fritsch-Strasse 3 06120 Halle, Saale Germany
7. Fraunhofer-Gesellschaft Hansastrasse 27 c 80686 Munich Germany