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- W2025454378 abstract "Ce 0.8 Pr 0.2–x Nd x O 2-δ (x = 0.02, 0.05, 0.1) solid solutions were synthesized by the sol-gel method. The XRD results show that all powders calcined at 800 °C are crystallized in a single cubic fluorite structure. The average grain sizes are between 20 nm and 25 nm. The Raman spectra analysis reveals that the solid solution Ce 0.8 Pr 0.2–x Nd x O 2-δ has a cubic fluorite structure with oxygen vacancies. The oxygen vacancy concentration is increased by doping Nd in Ce 0.8 Pr 0.2–x Nd x O 2-δ . Impedance spectra shows that the conductivity of rare earth co-doped ceria Ce 0.8 Pr 0.18 Nd 0.02 O 2-δ is higher than that of single rare earth doped ceria Ce 0.83 Sm 0.17 O 2−y . The results also show that Ce 0.8 Pr 0.18 Nd 0.02 O 2-δ possess maximum conductivity. At 600 °C, the conductivity is 1.85×10 -2 S/cm, which is assigned to the higher oxygen vacancy concentration and the hopping electron transition of small polarons in the sample Ce 0.8 Pr 0.18 Nd 0.02 O 2 -δ ." @default.
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- W2025454378 date "2014-12-01" @default.
- W2025454378 modified "2023-09-26" @default.
- W2025454378 title "Preparation and Properties for Solid Solution Ce<sub>0.8</sub>Pr<sub>0.2-x</sub>Nd<sub>x</sub>O<sub>2-δ</sub>(x=0.02, 0.05, 0.1)" @default.
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- W2025454378 doi "https://doi.org/10.4028/www.scientific.net/amr.1065-1069.1921" @default.
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