That is to say the method of synthesis of phosphate-based glass-ceramics doped with Rare Earth Ions.
The traditional way to prepare glass and glass ceramics is Melt-Quench method where the glasses can be obtained by melting and rapid cooling of multi component oxides. Further heat treatment resulted glass ceramic.
Another method is sol-gel route which is a chemical route governed by kinetics of various chemical reactions. Sol-gel derived glasses'ceramics are highly porous in structure. Depends on the purpose, you may chose any of the methods.
Hi
You can create phosphate glaze by using bone ashe or apatite in alkaline glaze
As mention by Dr Nisha the general way of preparing glass and glass ceramics is the melt quenching technique.
to prepared glass ceramics the first step is to have TGA or DSC of your composition in order to know the glass transition temperature.
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