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Journal article

Effect of B-site substitution on the stability of La0.2Sr0.8Fe0.8B0.2O3−δ, B=Al, Ga, Cr, Ti, Ta, Nb

In Solid State Ionics — 2012, Volume 225, pp. 186-189

By Lohne, Ørjan Fossmark¹; Gurauskis, Jonas¹; Phung, Tan Nhut²; Einarsrud, Mari-Ann¹; Grande, Tor¹; Bouwmeester, Henny J.M.²; Wiik, Kjell¹

From

Department of Materials Science and Engineering, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway¹

Inorganic Membranes, Faculty of Science and Technology & MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands²

Abstract

Highlights► B-site substituted La0.2Sr0.8FeO3-d as oxygen separation membranes ► We investigate the stability in reducing conditions ► Oxygen vacancy ordering suppressed by B-site substitution ► Kinetic stabilization of the perovskite lattice obtained with B-site substitution ► Highest stability for low ionic radius or high valence B-dopant

Language:	English
Publisher:	Elsevier BV
Year:	2012
Pages:	186-189
ISSN:	18727689 and 01672738
Types:	Journal article
DOI:	10.1016/j.ssi.2012.02.061

Keywords

MIEC Perovskite Stability Temperature programmed reduction (TPR)

Effect of B-site substitution on the stability of La0.2Sr0.8Fe0.8B0.2O3−δ, B=Al, Ga, Cr, Ti, Ta, Nb

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Effect of B-site substitution on the stability of La0.2Sr0.8Fe0.8B0.2O3−δ, B=Al, Ga, Cr, Ti, Ta, Nb

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