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Ligand Exchange and Nature of Luminescence Centers in the Crystals of Uranyl Nitrates and Perchlorates

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Abstract

We obtained complexes of uranyl nitrates and uranyl perchlorates with neutral ligands in crystalline and amorphous states and also with variable composition (as regards both water and the quantity of acid ligands entering into the first coordination sphere of UO2 2+). We studied their luminescence spectra at T = 77 K. Correlation between the frequencies of electronic and vibronic transitions and the donor numbers of neutral ligands has been established. The possible ways of replacing neutral ligands in the first coordination sphere of UO2 2+ have been analyzed as well as the composition and structure of the complex systems formed in this case.

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Authors and Affiliations

  1. Belarusian State University, 4 F. Skorina Ave., Minsk, 220050, Belarus

    A. I. Komyak, A. A. Zazhogin, A. P. Zazhogin & D. S. Umreiko

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  1. A. I. Komyak
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  2. A. A. Zazhogin
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  3. A. P. Zazhogin
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  4. D. S. Umreiko
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Komyak, A.I., Zazhogin, A.A., Zazhogin, A.P. et al. Ligand Exchange and Nature of Luminescence Centers in the Crystals of Uranyl Nitrates and Perchlorates. Journal of Applied Spectroscopy 69, 702–710 (2002). https://doi.org/10.1023/A:1021500811555

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  • DOI: https://doi.org/10.1023/A:1021500811555

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