HEAT TREATMENT EFFECT ON CaO–P2O5–SiO2–Fe2O3 GLASS-CERAMICS STRUCTURE
The heat treatment carried out at different temperatures between 1000 and 1200° C for the
same time and under similar conditions leads to differences in the elemental composition
and therefore in the ratio of the component elements on the sample surface. They are
evidenced by changes in O1s core level XPS spectra. The ratio of bridging oxygen (BO) to
non-bridging oxygen (NBO) in iron containing CaO–SiO 2–P 2 O 5 glasses changes
differently for the glass ceramic sample resulting from heat treatment carried out at 1000° C …
same time and under similar conditions leads to differences in the elemental composition
and therefore in the ratio of the component elements on the sample surface. They are
evidenced by changes in O1s core level XPS spectra. The ratio of bridging oxygen (BO) to
non-bridging oxygen (NBO) in iron containing CaO–SiO 2–P 2 O 5 glasses changes
differently for the glass ceramic sample resulting from heat treatment carried out at 1000° C …
The heat treatment carried out at different temperatures between 1000 and 1200°C for the same time and under similar conditions leads to differences in the elemental composition and therefore in the ratio of the component elements on the sample surface. They are evidenced by changes in O1s core level XPS spectra. The ratio of bridging oxygen (BO) to non-bridging oxygen (NBO) in iron containing CaO–SiO2–P2O5 glasses changes differently for the glass ceramic sample resulting from heat treatment carried out at 1000°C and for those obtained at higher treatment temperatures.
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