1. Center of Advanced Manufacturing Technology The Lukasiewicz Research Network–Krakow Institute of Technology ul. Zakopianska 73 30-418 Krakow Poland
2. Department of Physics University of Central Florida Orlando FL 32816 USA
3. Department of Physics and Optics of Solid State Peter the Great St. Petersburg Polytechnic University ul. Polytechnicheskaya 29 St. Petersburg 195251 Russia
4. Department of Materials Engineering Ben-Gurion University of the Negev Beer-Sheva 84105 Israel