Compositional dependence of electrical conductivity of Ce1−xTbxO2−δ (0⩽x⩽1)

Fei Ye, Toshiyuki Mori, Ding Rong Ou, Motoi Takahashi, Jin Zou and John Drennan

Renewable Energy, 2008, vol. 33, issue 2, 331-335

Abstract: Well dispersed Ce1−xTbxO2−δ nano-powders were synthesized by using the carbonate coprecipitation method in an entire compositional range of 0⩽x⩽1, which allowed the preparation of highly dense pellets by sintering at 1673K and the systematical study of the electrical conductivity in such a wide compositional range. It was found that the conductivity increased with increasing Tb concentration except that of x=0.80. Secondary phase were observed by using X-ray diffraction in the samples with x⩾0.80, which might have negative impact on the conductivity of the samples.

Keywords: Ceria; Powder; Microstructure; Conductivity (search for similar items in EconPapers)
Date: 2008
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:33:y:2008:i:2:p:331-335

DOI: 10.1016/j.renene.2007.05.014

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