Incorporation limit of MoO 3 in sodium borosilicate glasses

Optimizing the concentration of molybdenum incorporated in a borosilicate glass matrix is essential in the vitrification of high‐level radioactive waste. However, the incorporation limit of MoO 3 in fundamental borosilicate systems has been rarely correlated with the local structure of the molybdenu...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2023-01, Vol.106 (1), p.293-305
Main Authors: Sukenaga, Sohei, Unozawa, Hiroki, Chiba, Yuki, Tashiro, Masanori, Kawanishi, Sakiko, Shibata, Hiroyuki
Format: Article
Language:English
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Summary:Optimizing the concentration of molybdenum incorporated in a borosilicate glass matrix is essential in the vitrification of high‐level radioactive waste. However, the incorporation limit of MoO 3 in fundamental borosilicate systems has been rarely correlated with the local structure of the molybdenum cations. This study investigates the variations in the incorporation limit of MoO 3 in ternary sodium borosilicate glass upon varying the B 2 O 3 /(SiO 2  + B 2 O 3 ) ratio (i.e., B ) . The incorporation limit of MoO 3 was less than 3 mol% in the low‐ B region ( B  
ISSN:0002-7820
1551-2916
DOI:10.1111/jace.18760