[1] RAS, Inst Solid State Phys, Chernogolovka, Moscow Region, Russia
[2] RAS, Inst Problems Chem Phys, Chernogolovka, Moscow Region, Russia
[3] RAS, Inst High Pressure Phys, Troitsk, Moscow Region, Russia
[4] Richard E Smalley Inst Nanoscale Sci & Technol, Houston, TX USA
[5] Dept Chem, Houston, TX USA
[6] Aristotle Univ Thessaloniki, Sch Technol, Div Phys, GR-54006 Thessaloniki, Greece
[7] Technol Educ Inst Thessaloniki, Dept Appl Sci, Sindos, Greece