A study was conducted to demonstrate the influence of morphology and processing on X-ray photoelectron spectroscopic (XPS) characterization SrO-Ca-ZnO-SiO2 glass. The glass formulation being investigated was originally synthesized for developing a novel glass polyalkenoate cement (GPC). High resolution photoelectron spectra of Zn 2p, Ca 2p, Sr 3d, Si 2p, O 1s, and C 1s were recorded for the different forms of glass. It was observed that there was preferential enrichment of Zn2+ with an increase in the proportion of NBO for the investigated BT101 glass. The relative atomic concentration of Zn in BT101 glass was high and resulted in a steeper diffusion gradient. Zn2+ Zn2+ was small as compared to Ca2+, revealing that smaller cations migrated and enriched the surface.
F. R. Laffir et al., "Influence of Morphology and Processing on XPS Characterisation of SrO-Ca-ZnO-SiO2 Glass," Journal of Materials Science, vol. 45, no. 11, pp. 3102 - 3105, Springer, Jun 2010.
The definitive version is available at https://doi.org/10.1007/s10853-010-4298-6
Chemical and Biochemical Engineering
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01 Jun 2010