Investigation of gamma and neutron shielding parameters for borosilicate glasses doped europium oxide for the immobilization of radioactive waste

Eu 3+ -doped borosilicate glasses were prepared by the melt-quenching method. Optical, physical and nuclear shielding properties of these glasses were studied. The FTIR measurements indicated that the continuous increase of europium concentration helped conversion of [BO 4 ] to [BO 3 ] groups. FTIR...

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Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2020-05, Vol.31 (9), p.6963-6976
Main Authors: Saudi, H. A., Abd-Allah, W. M., Shaaban, Kh. S.
Format: Article
Language:English
Subjects:
Absorption spectra
Atomic properties
Attenuation
Borosilicate glass
Characterization and Evaluation of Materials
Chemistry and Materials Science
Energy gap
Europium
Europium compounds
Fourier transforms
Infrared spectroscopy
Materials Science
Molar volume
Optical and Electronic Materials
Optical properties
Radioactive wastes
Room temperature
Shielding
Spectrum analysis
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Summary:Eu 3+ -doped borosilicate glasses were prepared by the melt-quenching method. Optical, physical and nuclear shielding properties of these glasses were studied. The FTIR measurements indicated that the continuous increase of europium concentration helped conversion of [BO 4 ] to [BO 3 ] groups. FTIR spectroscopy results were in good agreement with optical band energy gap, density and molar volume values revealing network modifications caused by europium ions in the glass structure. The amorphous natures of the samples were ascertained by XRD studies. Optical properties of the glass samples are studied before and after neutron at room temperature. The absorption spectra of all glasses indicated that there is a decrease in the optical band gap values due to the enhancement of the number of non-bridging oxygen (NBO) atoms with the addition of Eu 2 O 3 . Nuclear shielding properties of these have been investigated. The mass attenuation coefcients have been calculated using the XCOM program.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-020-03261-6