[1] Tech Univ, St Petersburg State Inst Technol, St Petersburg, Russia
[2] Russian Acad Sci, IV Grebenshchikov Inst Silicate Chem, St Petersburg, Russia
[3] Russian Acad Sci, AF Ioffe Phys Tech Inst, St Petersburg, Russia
[4] Russian Acad Sci, AA Baikov Inst Met & Mat Sci, Moscow, Russia