1. Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Lilienthalplatz 1, 38108 Braunschweig, Germany
2. Institute of Materials Science, Technische Universität Dresden, 01069 Dresden, Germany
3. Fraunhofer Project Center for Energy Storage and Systems ZESS, 38108 Braunschweig, Germany
4. Fraunhofer Institute for Surface Engineering and Thin Films, IST, Bienroder Weg 54E, 38108 Braunschweig, Germany
5. Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Winterbergstraße 28, 01277 Dresden, Germany