Structural studies of binary iron vanadate glass

Mandal, S. ; Hazra, S. ; Das, D. ; Ghosh, A. (1995) Structural studies of binary iron vanadate glass Journal of Non-Crystalline Solids, 183 (3). pp. 315-319. ISSN 0022-3093

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Structural studies of iron vanadate glasses were carried out using differential thermal analysis, infrared (IR) and Mössbauer spectroscopy. Glasses with cross-linking density higher than the vitreous V2O5 were obtained by introducing Fe2O3 in the V2O5 matrix. Mössbauer spectra are consistent with an interpretation in which iron ions exist as Fe3+ with tetrahedral coordination in the glass compositions. IR spectra indicate that Fe3+ ions occupy substitutional positions in all glass compositions, without affecting the V=O bond vibration.

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