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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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Publication details

The article was received on 14 May 2014, accepted on 21 Jul 2014 and first published on 23 Jul 2014


Article type: Communication
DOI: 10.1039/C4EE01497A
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Citation: Energy Environ. Sci., 2014,7, 3593-3599
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    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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