1. Friedrich‐Alexander‐University Erlangen‐Nuremberg Department of Materials Science and Engineering Institute of Materials for Electronics and Energy Technology (i‐MEET) Martensstrasse 7 Erlangen 91058 Germany
2. Friedrich‐Alexander‐University Erlangen‐Nuremberg Erlangen Graduate School in Advanced Optical Technologies (SAOT) Paul‐Gordan‐Strasse 6 Erlangen 91052 Germany
3. Friedrich‐Alexander‐University Erlangen‐Nuremberg Department of Materials Science and Engineering Institute of Glass and Ceramics Martensstrasse 5 Erlangen 91058 Germany
4. Universitat Jaume I Institute of Advanced Materials (INAM) Castellón de la Plana Castellón 12006 Spain