Affiliation: | 1. Karlsruhe Institute of Technology, Institute for Applied Materials, Eggenstein‐Leopoldshafen, Germany;2. Max Planck Institute of Plasma Physics, Garching, Germany;3. Department of Materials, University of Oxford, Oxford, UK;4. Plataforma Solar de Almería—Ciemat, Madrid, Spain;5. PLANSEE SE, Reutte, Austria;6. Austrian Academy of Science, Leoben, Austria |