The high temperatures required for oxygen ion conductivity have hampered the development of practical applications of ionic conductors. Now superlattices made of yttria-stabilized zirconia and strontium titanate show promise for room-temperature devices.
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Kilner, J. Feel the strain. Nature Mater 7, 838–839 (2008). https://doi.org/10.1038/nmat2314
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DOI: https://doi.org/10.1038/nmat2314
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