The structure of matrix materials synthesized quenching sodium-rubidium aluminoborosilicate melts with the zirconium addition was studied using vibrational spectroscopy. The significant influence of zirconium on the ratio of the main structural units and the distribution of modifier cations was established in the glass structure. The results obtained were used to explain the change in the glass-melt transition temperature and the density of the material, and it is recommended for discussion in the selection of the composition and synthesis parameters of borosilicate matrix materials for the immobilization of high-level radioactive waste containing significant amounts of zirconium.
Viacheslav E. Eremyashev – leading researcher, Laboratory of Experimental Mineralogy and Physics of Minerals, South Urals Federal Research Center of Mineralogy and Geoecology of the Urals Branch of the Russian Academy of Sciences (SU FRC MG UB RAS), Miass, Chelyabinskaya oblast, Russia
Galina G. Korinevskaya – junior research associate, Laboratory of Experimental Mineralogy and Physics of Minerals, South Urals Federal Research Center of Mineralogy and Geoecology of the Urals Branch of the Russian Academy of Sciences (SU FRC MG UB RAS), Miass, Chelyabinskaya oblast, Russia
Dmitry E. Zhivulin – junior research associate, South Ural State University (National Research University) (SUSU), Chelyabinsk, Russia
Vladimir N. Bocharov – specialist of the Geomodel Resource Center, Federal State Budgetary Educational Institution of Higher Education “St. Petersburg State University”, St. Petersburg, Russia
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