Palladates – oxide materials based on the element palladium – could be used to make superconductors that work at higher temperatures than cuprates (copper oxides) or nickelates (nickel oxides). That is according to a study by researchers at the University of Hyogo, Japan, TU Wien and elsewhere, who have also identified two such palladates as being “virtually optimal” in terms of two properties important for high-temperature superconductivity (Phys. Rev. Lett. 130 166002).
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