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Authors: S. SIMON, I. ARDELEAN.
Published Online: 2016-06-01
Published Print: 2016-06-30
VIEW PDF: STRUCTURAL CHANGES INDUCED BY ACTINIDES INCORPORATION IN SODA-PHOSPHATE GLASSES
Soda-phosphate glasses incorporating uranium and thorium were investigated with respect to structural effect of UO3 and ThO2 content added to P2O5-Na2O glass matrix, as well as to the structural effect of the self-irradiation of the actinide containing glass samples. XRD analysis proves the amorphous state of the as-prepared samples up to 20 mol %. FTIR results support the depolymerisation of the phosphate glass network by progressive increase of the amount of actinide oxide incorporated in the host glass. The self-irradiation determines the occurrence of structural defects evidenced by EPR analysis.
Keywords: phosphate glasses; self-irradiation; structure
