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Electronic Absorption Spectra of the Ce3+ Ions in Halide Melts

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Abstract

Reflection-absorption electronic spectroscopy was applied to measuring the electronic absorption spectra of the Ce3+ ions, corresponding to the 4f → 5d transition, in 2CsCl-NaCl, 2CsCl-NaCl-NaF, LiF-NaF, and LiF-NaF-ZrF4 melts. The variations in the absorption spectra of the cerium ion in these systems are due to the changes in the composition of the complex species and their symmetry. The dissolution of Ce2O3 in fluoride melts follows a chemical mechanism. The solubility of Ce2O3 in the LiF-NaF melt at 940 K was estimated.

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Authors and Affiliations

  1. Institute of Metallurgy, Ural Division, Russian Academy of Sciences, Yekaterinburg, Russia

    A. A. Khokhryakov

  2. Institute of High-Temperature Electrochemistry, Ural Division, Russian Academy of Sciences, Yekaterinburg, Russia

    A. M. Khokhlova

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  1. A. A. Khokhryakov
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  2. A. M. Khokhlova
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Khokhryakov, A.A., Khokhlova, A.M. Electronic Absorption Spectra of the Ce3+ Ions in Halide Melts. Radiochemistry 45, 559–561 (2003). https://doi.org/10.1023/B:RACH.0000015751.99767.52

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  • DOI: https://doi.org/10.1023/B:RACH.0000015751.99767.52

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