Resonant x-ray reflectivity reveals that oxygen vacancies are distributed unevenly in reduced nickelate superlattices, with more disorder and lower conductivity when the spacer is LaGaO3 rather than SrTiO3.
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Oxygen sublattice disorder and valence state modulation in infinite-layer nickelate superlattices
Resonant x-ray reflectivity reveals that oxygen vacancies are distributed unevenly in reduced nickelate superlattices, with more disorder and lower conductivity when the spacer is LaGaO3 rather than SrTiO3.