Slovak University of Technology;
Faculty of Electrical Engineering and Information Technology;
Institute of Nuclear and Physical Engineering;
Ilkovicova 3;
Bratislava 81219;
Slovakia;
Chinese Academy of Sciences;
Institute of Modern Physics;
Lanzhou 730000;
China;
Slovak University of Technology;
Faculty of Materials Science and Technology;
Advanced Technologies Research Institute;
Jana Bottu 2781/25;
Trnava 91724;
Slovakia;
Universität der Bundeswehr München;
Institut für Angewandte Physik und Messtechnik LRT2;
Werner-Heisenberg-Weg 39;
Neubiberg;
85577;
Germany;
Southwest University of Science and Technology;
State Key Laboratory for Environment-friendly Energy Materials;
Mianyang;
Sichuan 621010;
China;
Texas A&M University;
Nuclear Engineering Department;
College Station;
TX 77843;
USA;
Radiation Effects Consulting LLC;
Richland WA 99354;
USA;
Ion irradiation; Bubble swelling; Helium; Positron annihilation spectroscopy; Oxide dispersion strengthened steels;