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, J. A. Kilner

    Research output: Contribution to journalArticlepeer-review

    229 Citations (Scopus)

    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.

    Original languageEnglish
    Pages (from-to)3593-3599
    Number of pages7
    JournalEnergy and Environmental Science
    Volume7
    Issue number11
    DOIs
    Publication statusPublished - Nov 1 2014

    All Science Journal Classification (ASJC) codes

    • Environmental Chemistry
    • Renewable Energy, Sustainability and the Environment
    • Nuclear Energy and Engineering
    • Pollution

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