Communications Materials (May 2020)

Strain-induced structure and oxygen transport interactions in epitaxial La0.6Sr0.4CoO3−δ thin films

  • Yurii P. Ivanov,
  • Markus Kubicek,
  • Matthäus Siebenhofer,
  • Alexander Viernstein,
  • Herbert Hutter,
  • Jürgen Fleig,
  • Andrey Chuvilin,
  • Zaoli Zhang

DOI
https://doi.org/10.1038/s43246-020-0027-0
Journal volume & issue
Vol. 1, no. 1
pp. 1 – 8

Abstract

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Strain engineering can enhance oxygen transport in cathodes in solid oxide fuel cells. Here, atomic scale imaging is used to probe local structures in tensile- and compressive-strained La0.6Sr0.4CoO3-δ films, revealing higher oxygen vacancy concentration in tensile films, and vacancy ordering.