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Impedance spectroscopy study with H-doped ammonium uranylphosphate self supported membranes

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Abstract

Equivalent circuit and electrical parameters for H-doped NH4UO2 PO4.3H2O self supported membranes have been determined by impedance spectroscopy. The measurements were carried out with a dry membrane, at different temperatures, and a wet membrane in contact with different electrolyte solutions. Resistance values for the dry membrane decrease with temperature increase, which agrees with the weak protonic character of the H-doped ammonium uranylphosphate. On the other hand, differences in the electrical parameters, depending on the electrolyte considered were also obtained and are attributed to different conduction mechanisms.

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Authors and Affiliations

  1. Departamento de Fisica Aplicada, Facultad de Ciencias, Universidad de Málaga, E-29071, Málaga, Spain

    J. Benavente & J. R. Ramos-Barrado

  2. Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Málaga, E-29071, Málaga, Spain

    M. Martinez & S. Bruque

Authors
  1. J. Benavente
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  2. J. R. Ramos-Barrado
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  3. M. Martinez
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  4. S. Bruque
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Benavente, J., Ramos-Barrado, J.R., Martinez, M. et al. Impedance spectroscopy study with H-doped ammonium uranylphosphate self supported membranes. J Appl Electrochem 25, 68–72 (1995). https://doi.org/10.1007/BF00251267

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  • DOI: https://doi.org/10.1007/BF00251267

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