New vacancied and Gd3+-doped lead molybdato-tungstates and tungstates prepared via solid state and citrate-nitrate combustion method

New Pb1-3x⌷xGd2x(MoO4)1-3x(WO4)3x (03 eV. EPR investigation revealed a difference among spectra obtained for varied gadolinium content, whereas synthesis method has no influence on EPR results.