Doping and calcination effect on nanostructured aluminosilicates processed by sol-gel routeS. Simon, M. Tămăşan, T. Radu and V. SimonEur. Phys. J. Appl. Phys., 55 3 (2011) 30401DOI: https://doi.org/10.1051/epjap/2011100524