1. Materials Research Laboratory, University of Nova Gorica, Vipavska 11c, Ajdovščina SI-5270, Slovenia
2. Laboratoire des Solides Irradiés CEA-CNRS, École Polytechnique, Université Paris-Saclay, Palaiseau F-91128, France
3. NAVIER, (UMR 8205), École des Ponts ParisTech, Univ. Gustave Eiffel, CNRS, UPE, Champs-sur-Marne F-77420, France
4. CNR-IOM/Democritos National Simulation Center, Istituto Officina Dei Materiali, C/o SISSA, Via Bonomea 265, Trieste IT-34136, Italy
5. Moscow Institute of Physics and Technology, Institutsky Lane 9, Dolgoprudny 141700, Moscow Region, Russia
6. Joint Institute for High Temperatures, RAS, 13 Bld. 2 Izhorskaya Street, Moscow 125412, Russia
7. Synchrotron X-ray Group, Light/Quantum Beam Field Research Center for Advanced Measurement and Characterization National Institute for Materials Science, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
8. CEA, DAM, DIF, Bruyéres-le-Châtel, Arpajon Cedex F-91297, France