1. Institute of Nuclear and Physical Engineering, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology, Ilkovičova 3, 812 19 Bratislava, Slovakia
2. Regional Centre of Advanced Technologies and Materials, Palacky University, 17. listopadu 12, 771 46 Olomouc, Czech Republic
3. GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstrasse 1, 642 91 Darmstadt, Germany
4. Darmstadt University of Technology, Karolinenplatz 5, 642 89 Darmstadt, Germany
5. Institute of Electrical Engineering, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology, Ilkovičova 3, 812 19 Bratislava, Slovakia