1. Dipartimento di Scienza dei Materiali, Università degli Studi Milano - Bicocca, via R. Cozzi 55, 20126 Milan, Italy
2. CERN, Esplanade des Particules 1, 1211 Meyrin, Switzerland
3. LMU Munich, Geschwister-Scholl-Platz 1, 80539 Munich, Germany
4. ENEA Fusion and Technology for Nuclear Safety and Security Department, Casaccia R.C., Via Anguillarese 301, 00123 Rome, Italy
5. Electron Microscopy Facility, Istituto Italiano di Tecnologia, 16163 Genova, Italy
6. IMEM-CNR Institute, Parco Area delle Scienze 37/A, 43124 Parma, Italy
7. ESRF - The European Synchrotron, 71 Avenue des Martyrs, 38000 Grenoble, France