1. Research Institute for Nuclear Problems Belarusian State University, 11 Bobruiskaya str., 220030 Minsk, Belarus
2. NANO Group, SRSMC - UMR Université de Lorraine - CNRS 7565, Vandoeuvre-lès-Nancy Cedex, France
3. University of Exeter, Exeter EX4 4QL, United Kingdom
4. Institut Jean Lamour - UMR Université de Lorraine - CNRS 7198, ENSTIB, 27 rue Philippe Seguin, CS 60036, 88026 Epinal Cedex, France