1. Department of Physics, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
2. ESRF – The European Synchrotron, Avenue des Martyrs, 38000 Grenoble, France
3. Electronic Ceramics Department, Jožef Stefan Institute, 1000 Ljubljana, Slovenia
4. Jožef Stefan International Postgraduate School, 1000 Ljubljana, Slovenia
5. Department of Materials Science and Engineering, Norwegian University of Science and Technology, Trondheim, Norway