1. St. Petersburg Academic University-Nanotechnology Research and Education Centre RAS, Khlopina 8/3, St. Petersburg, Russia
2. Peter the Great St. Petersburg Polytechnic University, Polytechnicheskaya 29, St. Petersburg, Russia
3. Institute for Analytical Instrumentation RAS, Rizhsky 26, St. Petersburg, Russia
4. ITMO University, Kronverkskiy Pr. 49, St. Petersburg, Russia
5. Ioffe Physical Technical Institute RAS, Politekhnicheskaya 26, St. Petersburg, Russia
6. Institute of Problems of Mechanical Engineering Russian Academy of Science, Bolshoj 6, St. Petersburg, Russia