1. Laboratory for High Performance Ceramics, Empa. Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
2. Department of Ceramics and Refractories, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, al. Mickiewicza, 30-059 Krakow, Poland
3. Center for X-ray Analytics, Swiss Federal Laboratories for Materials Science and Technology, Empa. Überlandstrasse 129, CH-8600 Dübendorf, Switzerland
4. Energy and Environment Division, Paul Scherrer Insitut, Forschungsstrasse 111, 5232 Villigen PSI, Switzerland