Synthesis and characterization of nano-crystalline Ce1-xGd xO2-x/2 (x = 0-0.30) solid solutions

L. D. Jadhav, M. G. Chourashiya, A. P. Jamale, A. U. Chavan, S. P. Patil

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57 Scopus citations


In recent years, doped ceria is an established and promising candidate as solid electrolyte for intermediate temperature solid oxide fuel cell (IT-SOFC). In this investigation, synthesis and characterizations of nano-crystalline Gd doped ceria, (Ce1-xGdxO2-x/2, where x = 0-0.3), prepared using glycine-nitrate process (GNP) has been presented. Evolution of structural and morphological properties of nano-powders as a function of heat treatment has also been studied. The prepared samples were characterized using TG-DTA, FT-IR, Raman spectroscopy, XRD, SEM, etc. In addition, the effect of Gd content over the micro-structural properties of nano-crystalline Gd doped ceria was investigated. Raman analysis of calcined powders confirms the formation of the solid solution of Ce1-xGdxO2-x/2 instead of mixture of CeO2 and Gd2O3. The solid solutions obeyed Vegard's rule very well. Grain growth of sintered samples was observed to hinder with an increase in Gd content.

Original languageEnglish
Pages (from-to)739-744
Number of pages6
JournalJournal of Alloys and Compounds
Issue number2
StatePublished - 17 Sep 2010
Externally publishedYes


  • Ceramics
  • Chemical synthesis
  • Infrared spectroscopy
  • Microstructure
  • Raman spectroscopy


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