Affiliation: | 1. Department of Materials Science and Engineering – Glass and Ceramics University of Erlangen‐Nuremberg Martensstr. 5, 91058 Erlangen (Germany);2. Department of Materials Science and Engineering – Electrical Engineering Materials University of Erlangen‐Nuremberg Martensstr. 5, D‐91058 Erlangen (Germany);3. GeoCenter Northern Bavaria – Applied Mineralogy University of Erlangen‐Nuremberg Schlossgarten 5a, 91054 Erlangen (Germany) |