1. Institute of PhysicsMartin Luther University Halle‐Wittenberg Heinrich‐Damerow‐Straße 4 Halle (Saale) 06120 Germany
2. Centre for Innovation Competence SiLi‐nano®Martin Luther University Halle‐Wittenberg Karl‐Freiherr‐von‐Fritsch‐Straße 3 Halle (Saale) 06120 Germany
3. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials & College of Materials Science and EngineeringDonghua University No. 2999 North Renmin Road, Songjiang District Shanghai 201620 China
4. Fraunhofer Institute for Microstructure of Materials and Systems (IMWS) Walter‐Hülse‐Straße 1 Halle (Saale) 06120 Germany