Mössbauer studies in the glass system Na2O⋅B2O3⋅Fe2O3
- 1 February 1975
- journal article
- letter
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 46 (2), 972-973
- https://doi.org/10.1063/1.321598
Abstract
Mössbauer measurements have been carried out in the glass system x Na2O ⋅ 6 Fe2O3 ⋅ (94−x) B2O3 (mole percent) with x varying between 10 and 35 to study the boron anomaly. A sharp decrease of isomer shift has been observed in the composition range between 20 and 25 mole% Na2O. A possible explanation is given on the basis of the existence of nonbridging oxygen atoms in glasses containing alkali ions beyond the above concentration.Keywords
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