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J. Valíček
Institute of Physics, Faculty of Mining and Geology / RMTVC, Faculty of Metallurgy and Materials Engineering
M. Harničárová
Institute of Physics, Faculty of Mining and Geology / Nanotechnology Centre, VŠB - Technical University of Ostrava, 17. listopadu 15/2172, 708 33 Ostrava-Poruba, Czech Republic,
M. Kušnerová
Institute of Physics, Faculty of Mining and Geology / RMTVC, Faculty of Metallurgy and Materials Engineering
J. Zavadil
RMTVC, Faculty of Metallurgy and Materials Engineering
R. Grznárik
Nanotechnology Centre, VŠB - Technical University of Ostrava, 17. listopadu 15/2172, 708 33 Ostrava-Poruba, Czech Republic