1. Department of Nanotechnology and Material Science; ITMO University; Kronverskiy av. 49 192000 St. Petersburg Russia
2. Nanotechnology Research and Education Center, Academic University, Russian Academy of Sciences; ul. Khlopina 8/3 194021 St. Petersburg Russia
3. A.F. Ioffe Physical-Technical Institute of the Russian Academy of Sciences; Politekhnicheskaya 26 194021 St. Petersburg Russia
4. Institute for Analytical Instrumentation of RAS; I. Chernykh 31-33A 198095 St. Petersburg Russia
5. Saint Petersburg Electrotechnical University ”LETI”; Professora Popova 5 197376 St. Petersburg Russia
6. School of Engineering Science Lappeenranta Technical University; Skinnarilankatu 34 53850 Lappeenranta Finland