Role of chemical substitution in the photoluminescence properties of cerium samarium tungstates Ce(2-x)Smx (WO4)3 (0≤x≤0.3)K. Derraji, C. Favotto, J-C Valmalette, S. Villain, J-R. Gavarri, G. Nolibe, A. Lyoussi and F. GuinnetonEPJ Web Conf., 225 (2020) 01013DOI: https://doi.org/10.1051/epjconf/202022501013