Аутори:
1. Ivanka Milošević, Faculty of Physics, University of Belgrade, Serbia
2. Милан Дамњановић, САНУ, НаноЛаб, Физички факултет, Универзитет у Београду , 3. Bozidar Nikolic, Faculty of Physics, University of Belgrade, Serbia
4. Zoran Popović, University of Belgrade, Faculty of Physics, Serbia