S. Lysenko, S. Astaf’eva, D. Yakusheva, E. Kornilitsina - Institute of Technical Chemistry, Perm Federal Research Center, Ural Branch, Russian Academy of Sciences, Perm, 614990 Russia; O.M. Bunoiu -West University of Timisoara, Timisoara, Romania; N. Lupu -National Institute of Research and Development for Technical Physics, Iasi, Romania

FLNP: YuMO; Xeuss3.0 MIPT: RIGAKU