1. Department of Chemistry and Kanbar Laboratory for Nanomaterials at the Bar‐Ilan University Center for Advanced Materials and Nanotechnology, Bar‐Ilan University, 52900 Ramat‐Gan, Israel
2. Department of Physics, Bar‐Ilan University, 52900 Ramat‐Gan, Israel
3. Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, 660049 Krasnoyarsk, Russia
4. The Racah Institute of Physics, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel