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HomeKey Engineering MaterialsKey Engineering Materials Vol. 930Synthesis and Characterization of Sm/Zr Co-Doped...

Synthesis and Characterization of Sm/Zr Co-Doped CeO₂ Ceramic for Solid Electrolyte Application

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Abstract:

In this paper, we report the properties of Sm and Zr co-doped CeO₂ ceramic, which synthesized by conventional solid state reaction. Sm content in Ce site was fixed at 20 mol%, meanwhile Zr was varied in the range of 5 to 15 mol%. All samples was pressed under 26 MPa before sintered at 1400 °C for 5 hours. The X-ray diffraction patterns of samples confirm all the samples are in single-phase with cubic fluorite structure. The lattice parameter decreases with increase in Zr concentration. The relative density of all samples was more that 95%. The microhardness achieved highest value for sample with 0.05 mol% of Zr. The shrinkage and the change of bulk density shows direct correlation.

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Periodical:

Key Engineering Materials (Volume 930)

Pages:

9-14

DOI:

https://doi.org/10.4028/p-v3fpd1

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Online since:

August 2022

Authors:

Salmie Suhana Che Abdullah*, Jia Xin Soong, Muhammad Zaim Bin Mohd Yusoff, Siti Hawa Salleh, Rohaya Abdul Malek

Keywords:

Co-Dopant, Doped CeO₂, Sm/Zr CeO₂, Sofc, Solid Electrolyte

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© 2022 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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