Abstract
ABSTRACT The aim of the present paper is to develop of a new sol–gel synthesis route for production of phosphate-based glasses in TiO2-NiO-P2O5 systems. The structure of the prepared glasses was investigated by ICP-AES, density methods, FTIR and RAMAN spectroscopy, XRD, 31P MAS-NMR and DSC, that confirmed successful synthesis and production of phosphate-based glasses. Glasses in the TiO2- NiO- P2O5 system with a high TiO2 and NiO content of up to 12.5 mol% were synthesized in this study. XRD analysis confirms that all glass specimens with nickel are amorphous. Investigation of ternary glasses with the general formula of (70-x)TiO2-xNiO-30P2O5, whit x = 0, 2.5, 5, 7.5, 10 or 12.5 where revealed, substituting Nickel in place of titanium significantly extend the stability and prolongs the lifetime of these glasses, which opens else numerous of potential applications.
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