Dependence of Defect Chemistry and Surface Composition on the Crystal Orientation of (La0.5Sr0.5)2CoO4 Dense Thin Films

Abstract

The dependence of oxygen non-stoichiometry on crystal orientation for (La0.5Sr0.5)2CoO4 was investigated by measuring the structure and Co valence state in thin films with (001) and (100) out of plane orientations using X-ray diffraction and X-ray photoelectron spectroscopy. Because of the constraint along the caxis imposed by the substrate, the c-axis… (More)

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