Properties of sol-gel prepared BaCeO3 solid electrolyte using acetate precursors

A sol-gel route was used to prepare Yb-doped BaCeO3 at the relatively low temperature of 1,100 °C. At this calcination temperature, the carbonate residues were completely decomposed and the high crystallinity of Yb-doped BaCeO3 powders with orthorhombic structure was obtained. The loose particles in...

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Published in:Ionics
Main Author: Osman N.; Talib I.A.; Hamid H.A.
Format: Article
Language:English
Published: 2009
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-63949085457&doi=10.1007%2fs11581-008-0258-4&partnerID=40&md5=522e105e403e01057923e4ae62e9702c
id 2-s2.0-63949085457
spelling 2-s2.0-63949085457
Osman N.; Talib I.A.; Hamid H.A.
Properties of sol-gel prepared BaCeO3 solid electrolyte using acetate precursors
2009
Ionics
15
2
10.1007/s11581-008-0258-4
https://www.scopus.com/inward/record.uri?eid=2-s2.0-63949085457&doi=10.1007%2fs11581-008-0258-4&partnerID=40&md5=522e105e403e01057923e4ae62e9702c
A sol-gel route was used to prepare Yb-doped BaCeO3 at the relatively low temperature of 1,100 °C. At this calcination temperature, the carbonate residues were completely decomposed and the high crystallinity of Yb-doped BaCeO3 powders with orthorhombic structure was obtained. The loose particles in nanosized range was observed from scanning electron micrographs but agglomerates with size ranging from 200 to 500 nm seem to dominate the bulk powder. Density of the pellet sintered at 1,400 °C for 24 h was about 95% of the theoretical density. Morphology of the fractured pellet revealed that the diameter of grains was between 1 and 3 μm. AC electrical conductivity of the sample in wet air was carried out using impedance spectroscopy in the range of 1 Hz to 10 MHz. At 300 °C, it was found that at high frequencies the imaginary values of the impedance were positive. The effect was attributed to the presence of an inductive element in the experimental setup. © 2008 Springer-Verlag.

18620760
English
Article

author Osman N.; Talib I.A.; Hamid H.A.
spellingShingle Osman N.; Talib I.A.; Hamid H.A.
Properties of sol-gel prepared BaCeO3 solid electrolyte using acetate precursors
author_facet Osman N.; Talib I.A.; Hamid H.A.
author_sort Osman N.; Talib I.A.; Hamid H.A.
title Properties of sol-gel prepared BaCeO3 solid electrolyte using acetate precursors
title_short Properties of sol-gel prepared BaCeO3 solid electrolyte using acetate precursors
title_full Properties of sol-gel prepared BaCeO3 solid electrolyte using acetate precursors
title_fullStr Properties of sol-gel prepared BaCeO3 solid electrolyte using acetate precursors
title_full_unstemmed Properties of sol-gel prepared BaCeO3 solid electrolyte using acetate precursors
title_sort Properties of sol-gel prepared BaCeO3 solid electrolyte using acetate precursors
publishDate 2009
container_title Ionics
container_volume 15
container_issue 2
doi_str_mv 10.1007/s11581-008-0258-4
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-63949085457&doi=10.1007%2fs11581-008-0258-4&partnerID=40&md5=522e105e403e01057923e4ae62e9702c
description A sol-gel route was used to prepare Yb-doped BaCeO3 at the relatively low temperature of 1,100 °C. At this calcination temperature, the carbonate residues were completely decomposed and the high crystallinity of Yb-doped BaCeO3 powders with orthorhombic structure was obtained. The loose particles in nanosized range was observed from scanning electron micrographs but agglomerates with size ranging from 200 to 500 nm seem to dominate the bulk powder. Density of the pellet sintered at 1,400 °C for 24 h was about 95% of the theoretical density. Morphology of the fractured pellet revealed that the diameter of grains was between 1 and 3 μm. AC electrical conductivity of the sample in wet air was carried out using impedance spectroscopy in the range of 1 Hz to 10 MHz. At 300 °C, it was found that at high frequencies the imaginary values of the impedance were positive. The effect was attributed to the presence of an inductive element in the experimental setup. © 2008 Springer-Verlag.
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