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A few compositions in the system Ce 1−x Sr x O 2−x with 0.05≤x≤0.20 have been prepared by auto-combustion method. More than 93% of theoretical density has been achieved by sintering at 1350°C for 4h. Solid solution has formed in the composition with x=0.05. All other compositions have been found to contain XRD lines of SrCeO 3 beside the major fluorite phase. Complex...
In order to investigate the effect of single doping and co-doping on the enhancement of ionic conductivity in ceria (CeO2), CeO2 and a few compositions in the system Ce0.85Sm0.15 − xGdxO1.925 (x = 0.00, 0.06, 0.09, and 0.15) were prepared using citrate–nitrate auto-combustion method. Gels were characterized by simultaneous differential thermal analysis and thermogravimetric analysis to confirm...
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