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Thermally stimulated depolarization current and Mössbauer spectroscopy of iron-doped niobophosphate glasses

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Abstract

Niobophosphate glasses (P2O5-PbO-Nb2O5-K2O-XFe2O3), were studied using thermally stimulated depolarization currents and Mössbauer spectroscopy in samples of different iron concentrations, and were subjected to oxidation and reduction processes. The use of both techniques provided new information about the distribution of iron and niobium between tetrahedral and octahedral sites.

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Authors and Affiliations

  1. Departamento de Física e Química, UECE, Av. Paranjana 1700, 60715, Fortaleza, CE, Brazil

    C. J. De Oliveira

  2. Departamento de Física, UFC, P.O. Box 6030, 60450, Fortaleza, CE, Brazil

    J. A. C. De Paiva, P. C. Barbosa, J. Mendes Filho, J. C. P. De Oliveira & A. Sergio Bezerra Sombra

  3. Instituto de Física, UNICAMP, P.O. Box 6165, 13081, Campinas, SP, Brazil

    N. Aranha & L. C. Barbosa

  4. Instituto de Química, UNICAMP, P.O. Box 6154, 13081, Campinas, SP, Brazil

    O. L. Alves

Authors
  1. C. J. De Oliveira
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  2. J. A. C. De Paiva
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  3. P. C. Barbosa
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  4. J. Mendes Filho
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  5. J. C. P. De Oliveira
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  6. A. Sergio Bezerra Sombra
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  7. N. Aranha
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  8. L. C. Barbosa
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  9. O. L. Alves
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De Oliveira, C.J., De Paiva, J.A.C., Barbosa, P.C. et al. Thermally stimulated depolarization current and Mössbauer spectroscopy of iron-doped niobophosphate glasses. J Mater Sci 28, 4305–4310 (1993). https://doi.org/10.1007/BF01154936

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  • DOI: https://doi.org/10.1007/BF01154936

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