Structural Features and Properties of Multicomponent Sodium-Cesium/Rubidium Aluminoborosilicate Model Matrix Glasses of Basis Composition

Synthesis and study of the structure and various properties of Na–Cs and Na–Rb aluminoborosilicate model glasses with addition of the alkaline-earth cations have been carried out. Vibrational spectroscopy techniques have been used to establish the high degree of polymerization and noticeable structu...

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Bibliographic Details
Published in:Journal of structural chemistry 2024-04, Vol.65 (4), p.725-739
Main Authors: Eremyashev, V. E., Osipov, A. A., Korinevskaya, G. G., Zhivulin, D. E., Danilina, E. I.
Format: Article
Language:English
Subjects:
Atomic
Atomic/Molecular Structure and Spectra
Borosilicate glass
Cations
Cesium
Chemistry
Chemistry and Materials Science
Degree of polymerization
High level radioactive wastes
Homogeneity
Inorganic Chemistry
Matrix materials
Molecular
Optical and Plasma Physics
Physical Chemistry
Radioactive waste disposal
Rubidium
Similarity
Sodium
Solid State Physics
Synthesis
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Summary:Synthesis and study of the structure and various properties of Na–Cs and Na–Rb aluminoborosilicate model glasses with addition of the alkaline-earth cations have been carried out. Vibrational spectroscopy techniques have been used to establish the high degree of polymerization and noticeable structural similarity of all synthesized glasses at fixed ratio of modifying and network-forming cations. It has been shown that increasing fraction of large cations in the total content of modifying cations leads to changes in distribution of modifying cations between the silicate and borate structural units. The observed homogeneity with the similarity of anionic structure, at different content and various combinations of alkali and alkaline-earth cations, points at promising application of these glasses as a basis for synthesis of matrix materials for high-level radioactive waste disposal.
ISSN:0022-4766
1573-8779
DOI:10.1134/S0022476624040097