1. Chuiko Institute of Surface Chemistry, NAS of Ukraine, Kiev, Ukraine;
2. Institute for Single Crystals, NAS of Ukraine, Kharkov, Ukraine;
3. Institute for Problems of Cryobiology and Cryomedicine, NAS of Ukraine, Kharkov, Ukraine;
4. University Paul Sabatier, University Toulouse, CIRIMAT, CNRS, INPT, Toulouse 9, France;
5. Nikolaev Institute of Inorganic Chemistry, SB RAS, Novosibirsk, Russia