Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume -, Issue 25, Pages 4056-4067Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201402135
Keywords
Materials science; Layered compounds; Oxygen storage; Magnetic properties; Cobalt oxide
Categories
Funding
- Academy of Finland [255562]
- Academy of Finland (AKA) [255562, 255562] Funding Source: Academy of Finland (AKA)
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The complex cobalt oxide YBaCo4O7+delta is an exciting material from both a fundamental scientific and an applied technological point of view. It has a unique ability to reversibly absorb and desorb large amounts of oxygen in an exceptionally low-temperature range, which makes it a promising candidate for applications in which efficient oxide ion conductivity or large oxygen storage capacity is required. It has also been considered as a model system for geometrically frustrated magnetism, which originates from the nature of the layered crystal structure of YBaCo4O7+delta, with alternating triangular and Kagome-type cobalt oxide layers. The structure is also extremely flexible in a chemical sense, with all three cation constituents accepting a number of different substitutions, thereby allowing its properties to be tuned. In this review, our aim is to provide a compact but comprehensive overview of the work published so far on this interesting family of functional oxides.
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