1. Department of Chemistry, Ben-Gurion University, Beer-Sheva 8410501, Israel
2. Institute of Solid-State Chemistry UB RAS, 620990 Ekaterinburg, Russian Federation
3. Institute of Natural Sciences and Mathematics, Ural Federal University, 620075 Ekaterinburg, Russian Federation
4. Chemistry Department, Nuclear Research Centre-Negev, P.O. Box 9001, Beer-Sheva 84190, Israel