A.K. Azhibekov (JINR )/( Korkyt Ata Kyzylorda University, Kyzylorda, Kazakhstan, 120014 Kyzylorda, Kazakhstan), E. Popov (JINR )/( Institute of Catalysis, Bulgarian Academy of Sciences, Sofia, 1113, Bulgaria), S.F. Samadov ( JINR- Russia )/ ( Ministry of Science and Education Republic of Azerbaijan, Institute of Radiation Problems, AZ1143 Baku, Azerbaijan)/(Western Caspian University, AZ1001 Baku, Azerbaijan), N.V.M. Trung (JINR - Russia) / (Institute of Physics, Vietnam Academy of Science and Technology, Hanoi, 10000, Vietnam), A.K. Mutali (JINR - Russia)/ (Institute of Nuclear Physics, Almaty, 050032, Kazakhstan), A.A. Sidorin, O.S. Orlov (JINR).

(DLNP), JINR, using a variable-energy, depth-scanning positron beam (DBAS) SAXS/WAXS system Xeuss 3.0, FLNP JINR