1. Institute of Scientific Instruments of the Czech Academy of Sciences, Brno, Czech Republic, EU, Zuzana.Koselova@isibrno.cz
2. Brno University of Technology, Department of Microelectronics, Brno, Czech Republic, EU
3. Brno University of Technology, Institute of Materials Science, Brno, Czech Republic, EU
4. Brno University of Technology, Department of Physics, Brno, Czech Republic, EU