Structural and Chemical Properties of Geopolymer Gels Incorporated with Neodymium and Samarium.

The present work was focused on doping of 1% and 5% both of NdO and SmO in geopolymer gels. One of the main goals was to determine the influence of the behavior of Nd and Sm as dopants and structural nanoparticles changes of the final geopolymer formed. It is shown that the disorder formed by alkali activation of metakaolin can accommodate the rare earth cations Nd and Sm into their aluminosilicate framework structure.