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

P sub 2 O sub 5 -PbO-Nb sub 2 O sub 5 -K sub 2 O-xFe sub 2 O sub 3 glasses were studied using thermally stimulated depolarization currents and Mossbauer spectroscopy in samples of different Fe concentrations. They were subjected to oxidation and reduction processes. The use of both techniques provid...

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Bibliographic Details
Published in:Journal of materials science 1993-08, Vol.28 (16), p.4305-4310
Main Authors: DE OLIVEIRA, C. J, DE PAIEVA, J. A. C, BARBOSA, P. C, MENDES FILHO, J, DE OLIVEIRA, J. C. P, BEZERRA SOMBRA, A. S, ARANHA, N, BARBOSA, L. C, ALVES, O. L
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Dielectric properties of solids and liquids
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Disordered solids
Exact sciences and technology
Glasses
Magnetic resonances and relaxations in condensed matter, mössbauer effect
Mossbauer effect
other γ-ray spectroscopy
Mössbauer effect
other γ-ray spectroscopy
Permittivity (dielectric function)
Physics
Structure of solids and liquids
crystallography
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Summary:P sub 2 O sub 5 -PbO-Nb sub 2 O sub 5 -K sub 2 O-xFe sub 2 O sub 3 glasses were studied using thermally stimulated depolarization currents and Mossbauer spectroscopy in samples of different Fe concentrations. They were subjected to oxidation and reduction processes. The use of both techniques provided new information about the distribution of Fe and Nb between tetrahedral and octahedral sites.
ISSN:0022-2461
1573-4803
DOI:10.1007/BF01154936