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Issue 11, 2014
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Surface termination and subsurface restructuring of perovskite-based solid oxide electrode materials

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Abstract

We study the outer atomic surfaces of a series of perovskite-based ceramics using low energy ion scattering spectroscopy. After high temperature treatment, segregated A-site (or acceptor substituent) cations dominate the outer surfaces with no B-site cations detected. We also find evidence of an associated B-cation enriched region below the surface.

Graphical abstract: Surface termination and subsurface restructuring of perovskite-based solid oxide electrode materials

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Article information


Submitted
14 May 2014
Accepted
21 Jul 2014
First published
23 Jul 2014

Energy Environ. Sci., 2014,7, 3593-3599
Article type
Communication
Author version available

Surface termination and subsurface restructuring of perovskite-based solid oxide electrode materials

J. Druce, H. Téllez, M. Burriel, M. D. Sharp, L. J. Fawcett, S. N. Cook, D. S. McPhail, T. Ishihara, H. H. Brongersma and J. A. Kilner, Energy Environ. Sci., 2014, 7, 3593
DOI: 10.1039/C4EE01497A

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