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Ultrafast Atomic Layer-by-Layer Oxygen Vacancy-Exchange Diffusion in Double-Perovskite LnBaCo(2)O(5.5+δ) Thin Films
Surface exchange and oxygen vacancy diffusion dynamics were studied in double-perovskites LnBaCo(2)O(5.5+δ) (LnBCO) single-crystalline thin films (Ln = Er, Pr; −0.5 < δ < 0.5) by carefully monitoring the resistance changes under a switching flow of oxidizing gas (O(2)) and reducing gas (H(2))...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3994446/ https://www.ncbi.nlm.nih.gov/pubmed/24751601 http://dx.doi.org/10.1038/srep04726 |