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Phase Stability and Oxygen ion Conductivity in Bi2O3-Pr6O11 SCIE SCOPUS

Title
Phase Stability and Oxygen ion Conductivity in Bi2O3-Pr6O11
Authors
Sammes N.MGainsford G.J.
Date Issued
1993-08
Publisher
Elsevier
Abstract
Oxygen ion conductivity was measured on a number of (Bi2O3)1-x(Pr6O11)x systems from room temperature to 550-degrees-C. At x=0.05, the rhombohedral Bi1.35Pr0.65O3 structure was found to be stable up to 550-degrees-C. At higher concentrations, a mixture of rhombohedral and possibly monoclinic type structures were determined, which at x=0.2 became fully ''monoclinic''. High temperature X-ray powder diffraction confirmed the stability of the observed phases over the temperature range. The optimum ionic conductivity was found for the mixed phase and a value of 1.23 x 10(-2) s/cm was ascertained for x=0.15 at 450-degrees-C.
URI
https://oasis.postech.ac.kr/handle/2014.oak/34334
DOI
10.1016/0167-2738(93)90370-I
ISSN
0167-2738
Article Type
Article
Citation
Solid State Ionics, vol. 62, no. 3-4, page. 179 - 184, 1993-08
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Nigel Mark SammesNIGEL, MARK SAMMES
Div. of Advanced Nuclear Enginrg
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