1. Zavoisky Kazan Physical-Technical Institute, Federal Research Center Kazan Scientific Center, Russian Academy of Sciences, ul. Sibirskii Trakt 10/7, Kazan 420029 Russia
2. Institute of Physics, Kazan Federal University, ul. Kremlevskaya 16a, Kazan 420008, Russia
3. Alexander Butlerov Institute of Chemistry, Kazan Federal University, ul. Lobachevskogo 1/29, Kazan 420008, Russia