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Investigation into the effect of Y, Yb doping in Ba2In2O5: determination of the solid solution range and co-doping with phosphate

Slater, Peter R. and Shin, J. Felix (2013) Investigation into the effect of Y, Yb doping in Ba2In2O5: determination of the solid solution range and co-doping with phosphate. Project Report. unpublished report. (Unpublished)

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Abstract

In this paper we examine the effect of Y, Yb doping in Ba2In2O5, examining the solid solution range and effect on the conductivity and CO2 stability. The results showed that up to 35% Y, Yb can be introduced, and this doping leads to an introduction of disorder on the oxygen sublattice, and a corresponding increase in conductivity. Further increases in Y, Yb content could be achieved through co-doping with phosphate. While this co-doping strategy led to a reduction in the conductivity, it did have a beneficial effect on the CO2 stability, and further improvements in the CO2 stability could be achieved through La and P co-doping.

Type of Work:Monograph (Project Report)
School/Faculty:Colleges (2008 onwards) > College of Engineering & Physical Sciences
Department:School of Chemical Sciences
Date:19 February 2013
Keywords:Perovskite, proton conductor, phosphate, indate, yttrium, ytterbium
Subjects:Q Science > QD Chemistry
Funders:Engineering and Physical Sciences Research Council (EPSRC)
Copyright Holders:P.R. Slater, J.F.Shin
ID Code:1711

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