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1983•Journal of Physics D Applied PhysicsOpen access

Conversion electron Mossbauer spectroscopy study of iron oxidation in phosphate glasses

H. Bińczycka, Jerzy A. Sawicki

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Abstract

Mossbauer spectra of phosphate glasses containing iron were measured with both gamma-ray transmission and conversion Mossbauer spectroscopy (CEMS) methods. The ionic ratio Fe 2+ /Fe 3+ measured by CEMS depends strongly on the conditions of the glass formation and on the subsequent thermal annealing and oxidation procedure. This ratio is closely connected with the electrical conductivity. It is shown that the CEMS method is suitable for studies of electronic phenomena in subsurface layers in glass.

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Mossbauer spectra of phosphate glasses containing iron were measured with both gamma-ray transmission and conversion Mossbauer spectroscopy (CEMS) methods. The ionic ratio Fe 2+ /Fe 3+ measured by CEMS depends strongly on the conditions of the glass formation and on the subsequent thermal annealing and oxidation procedure. This ratio is closely connected with the electrical conductivity. It is shown that the CEMS method is suitable for studies of electronic phenomena in subsurface layers in glass.

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Available abstract

Mossbauer spectra of phosphate glasses containing iron were measured with both gamma-ray transmission and conversion Mossbauer spectroscopy (CEMS) methods. The ionic ratio Fe 2+ /Fe 3+ measured by CEMS depends strongly on the conditions of the glass formation and on the subsequent thermal annealing and oxidation procedure. This ratio is closely connected with the electrical conductivity. It is shown that the CEMS method is suitable for studies of electronic phenomena in subsurface layers in glass.

Key concepts: Mössbauer spectroscopy, Conversion electron mössbauer spectroscopy, Annealing (glass), Materials science, Ionic bonding, Analytical Chemistry (journal), Phosphate glass, Mössbauer effect

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