Robin Silber (Nanotechnology Centre and IT4 Innovations, VSB - TU Ostrava), Ondřej Stejskal (Nanotechnology Centre and IT4 Innovations, VSB - TU Ostrava), Jan Dušek (Institute of Physics, Charles University, Prague), Lukáš Beran (Institute of Physics, Charles University, Prague), Jaromír Pištora (Nanotechnology Centre and IT4 Innovations, VSB - TU Ostrava), Guenter Reiss (Department of Physics, Bielefeld University), Martin Veis (Institute of Physics, Charles University, Prague), Timo Kuschel (Department of Physics, Bielefeld University), Jaroslav Hamrle (Institute of Physics, Charles University, Prague)