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

@inproceedings{Druce2014SurfaceTA,
  title={Surface termination and subsurface restructuring of perovskite-based solid oxide electrode materials},
  author={John Druce and Helena T{\'e}llez and M{\'o}nica Burriel and Matthew D. Sharp and Lieut.-Colonel J. Malcolm Fawcett and Stuart N. Cook and David S. McPhail and Tatsumi Ishihara and Hh Hidde Brongersma and John A. Kilner},
  year={2014}
}
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. 

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