TY - JOUR
T1 - Sintering Behaviour and Ionic Conductivity of Yttria-Doped Ceria
AU - Van Herle, Jan
AU - Horita, Teruhisa
AU - Kawada, Tatsuya
AU - Sakai, Natsuko
AU - Yokokawa, Harumi
AU - Dokiya, Masayuki
N1 - Funding Information:
This work was supported by the Science and Technology Agency, Japan, which is most gratefully acknowledged.
PY - 1996
Y1 - 1996
N2 - Highly sinterable yttria-doped ceria powder (YO1·5)x (CeO2)1-x (x = 0·1-0·33) was fabricated by an optimized coprecipitation route. Compacted bodies could be sintered to impermeability at 1200°C and near full density at 1300°C, among the lowest temperatures reported for doped ceria densification. Ceria diffusion is important above 1400°C. Excellent conduction properties were observed: high ionic conductivity (6·5 S m-1 at 750°C for Ce0·8Y0·2O1·9), low activation energy (0·7 eV) and vanishing grain-boundary resistance.
AB - Highly sinterable yttria-doped ceria powder (YO1·5)x (CeO2)1-x (x = 0·1-0·33) was fabricated by an optimized coprecipitation route. Compacted bodies could be sintered to impermeability at 1200°C and near full density at 1300°C, among the lowest temperatures reported for doped ceria densification. Ceria diffusion is important above 1400°C. Excellent conduction properties were observed: high ionic conductivity (6·5 S m-1 at 750°C for Ce0·8Y0·2O1·9), low activation energy (0·7 eV) and vanishing grain-boundary resistance.
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U2 - 10.1016/0955-2219(96)00012-X
DO - 10.1016/0955-2219(96)00012-X
M3 - Article
AN - SCOPUS:0000440295
SN - 0955-2219
VL - 16
SP - 961
EP - 973
JO - Journal of the European Ceramic Society
JF - Journal of the European Ceramic Society
IS - 9
ER -