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Lanthanide (Ce, Nd, Eu) environments and leaching behavior in borosilicate glasses by Fabian, M. (author);Pinakidou, F. (author);Tolnai, I. (author);Czompoly, O. (author);Osan, J. (author) is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Lanthanide (Ce, Nd, Eu) environments and leaching behavior in borosilicate glasses about?

Borosilicate glasses will be used to stabilize the high-level radioactive wastes for disposal in a geological repository. Understanding the effects of actinide addition to a borosilicate glass matrix is of great importance in view of waste immobilization. Lanthanides were considered as chemical surrogates for actinides. The local structures of Ce^3+^, Nd^3+^ and Eu^3+^ ions in borosilicate glass, have been investigated by synchrotron radiation based techniques. The atomic parameters, such as bond lengths and coordination environments derived from X-ray diffraction, in combined with Reverse Monte Carlo simulations show correlation with X-ray absorption fine structure data. The lanthanide ions are in the common network with the tetrahedral SiO~4~ and with the mixed trigonal BO~3~ and tetrahedral BO~4~ units. Second neighbor atomic pair correlations reveal that the Ce^3+^, Nd^3+^ and Eu^3+^ ions are accommodated in both Si and B sites, supporting that the lanthanide-ions are stabilized in the glass-matrix network. Microscopy and microanalysis provided information on the amorphous state and on the major elemental composition of the high lanthanide-concentration samples. The release of

Who reads Lanthanide (Ce, Nd, Eu) environments and leaching behavior in borosilicate glasses?

Author

Fabian, M. (author);Pinakidou, F. (author);Tolnai, I. (author);Czompoly, O. (author);Osan, J. (author)

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)