Preparation and characterization of Ce < inf > 1-x < /inf > Dy < inf > x-y < /inf > Sr < inf > y < /inf > O < inf > 2-δ < /inf > system

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dc.contributor.author Ramesh, S.
dc.contributor.author James Raju, K. C.
dc.contributor.author Vishnuvardhan Reddy, C.
dc.date.accessioned 2022-03-27T11:43:21Z
dc.date.available 2022-03-27T11:43:21Z
dc.date.issued 2014-01-01
dc.description.abstract The effect of dysprosium and strontium on the total ionic conductivity of ceria in the system Ce1-xDyx-ySryO 2-δ was studied. In this system, few compositions were prepared with x=0.15, y=0.015, 0.03 and 0.045 by modified sol-gel process using maltose and pectin as organic precursors. Rietveld refinement of XRD patterns confirms the cubic structure with space group Fm3̄m. SEM images show relatively uniform grains with clean and distinct grain boundaries. Four probe AC impedance measurements were carried out to evaluate the total ionic conductivity in the temperature range of 150-500 °C and frequency range of 40 Hz-1 MHz. The composition Ce0.85Dy0.12Sr0.03O 2-δ shows higher electrical conductivity than single-doped ceria samples. © 2014 The Nonferrous Metals Society of China.
dc.identifier.citation Transactions of Nonferrous Metals Society of China (English Edition). v.24(2)
dc.identifier.issn 10036326
dc.identifier.uri 10.1016/S1003-6326(14)63074-0
dc.identifier.uri https://www.sciencedirect.com/science/article/abs/pii/S1003632614630740
dc.identifier.uri https://dspace.uohyd.ac.in/handle/1/14567
dc.subject conductivity
dc.subject electrolyte
dc.subject impedance spectroscopy
dc.subject Sr-Dy doping
dc.title Preparation and characterization of Ce < inf > 1-x < /inf > Dy < inf > x-y < /inf > Sr < inf > y < /inf > O < inf > 2-δ < /inf > system
dc.type Journal. Article
dspace.entity.type
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