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

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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.

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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    Druce, J., Téllez, H., Burriel, M., Sharp, M. D., Fawcett, L. J., Cook, S. N., McPhail, D. S., Ishihara, T., Brongersma, H. H., & Kilner, J. A. (2014). Surface termination and subsurface restructuring of perovskite-based solid oxide electrode materials. Energy and Environmental Science, 7(11), 3593-3599. https://doi.org/10.1039/c4ee01497a