Silicates of the rare earth elements (REEs) having a structure of apatite may find practical use as solid electrolytes. It is known that at average temperatures their anionic conductivity is greater than that of modified zirconium dioxide. But their synthesis and sintering require high temperatures (about 1300 °C and 1750 °C, respectively), so there is interest in the study of double sodium silicate REE that require much lower temperatures.
- Silicate apatite
- Rare earth elements silicates