Electrical conductivity and grain boundary composition of Gd-doped and Gd/Pr co-doped ceria
By William J. Bowman and Jiangtao Zhu and Renu Sharma and Peter A. Crozier
Published in Solid State Ionics
NULL
2015
Abstract
We characterize electrical conductivity, microstructure, nano-scale grain boundary structure and chemistry of ceria electrolytes with nominal compositions of Gd0.2Ce0.8O2-? (GDC) and Gd0.11Pr0.04Ce0.85O2-? (GPDC). The electrolytes are fabricated using mixed oxide nanopowders synthesized by spray drying. \AC\ impedance spectroscopy was performed from 150
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