1. Institute of Applied Physics,
Russian Academy of Sciences, Nizhny Novgorod, 46 Ul’yanov Street,
Nizhny Novgorod, 603950, Russia
2. G.G. Devyatykh Institute of
Chemistry of High Purity Substances, Russian Academy of Sciences,
49 Troponina St., Nizhny Novgorod, 603950, Russia
3. N.I. Lobachevsky State University
of Nizhny Novgorod, National Research University, 23 Gagarin Avenue,
Nizhny Novgorod, 603950, Russia
4. Alfred Wegener Institute for
Polar and Marine Research, Am Handelshafen 12, 27570 Bremerhaven,
Germany