1. Faculty of Applied Mathematics, Physics and Humanities, Nuremberg Institute of Technology, Nuremberg, Germany
2. Department of Material Science, Materials for Electronics and Energy Technology (i-MEET), Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
3. Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (HI-ERN), Forschungszentrum Jülich GmbH, Erlangen, Germany