Sol gel and ceramic synthesis of SrFeMoWO (0 ≤ ≤ 1) double perovskites series

Preparation methods (ceramic and sol-gel methods) using reducing conditions were optimized for the formation of phase pure double perovskites of Sr 2 FeMo (1− x ) W x O 6 (0 ≤ x ≤ 1) showing enhanced homogeneity and cation ordering for investigating magnetic properties. X-ray diffraction (XRD) revealed a structural transition from tetragonal to monoclinic as W replaces Mo ( x = 0.5-0.6). The SQUID magnetometry confirmed a ferrimagnetic ground state for Sr 2 FeMoO 6 whereas Sr 2 FeWO 6 shows an antiferromagnetic state. Current results demonstrate that improved preparation methods can enhance the saturation magnetization. Optimization of pure phase double perovskite series via sol-gel methods.