1. Institute of Solid State Physics Friedrich Schiller University Jena Max‐Wien‐Platz 1 07743 Jena Germany
2. Helmholtz‐Zentrum Dresden‐Rossendorf Bautzner Landstraße 400 01328 Dresden Germany
3. Otto Schott Institute of Materials Research Friedrich Schiller University Jena Löbdergraben 32 07743 Jena Germany
4. Faculty of Electrical Engineering Schmalkalden University of Applied Science Blechhammer 9 98574 Schmalkalden Germany
5. Institute of Chemistry University of Potsdam Karl‐Liebknecht‐Str. 24–25 14476 Potsdam Germany
6. Institute of Materials Science and Engineering Chemnitz University of Technology Erfenschlager Str. 73 09125 Chemnitz Germany