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Optimized surface geometries with bulk stoichiometry (top line) and surface stoichiometry and facet (second line) indicated above each model. a) 25-YSZ (i.e., 25 mol% Y, metal basis), b) La0.67Sr0.33MnO3 (LSM), c) La0.5Sr0.5Co0.5Fe0.5O3, d) Ba0.5Sr0.5Co0.5Fe0.5O3, e) La0.5Sr0.5Co0.25Fe0.75O3 bulk, f) Ba0.5Sr0.5Co0.75Fe0.25O3 bulk.
