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), according to calculations by researchers at the University of Hyogo, Japan, TU Wien and colleagues. The new study further identifies two such palladates as being “virtually optimal” in terms of two properties important for high-temperature superconductors: the correlation strength and the spatial fluctuations of the electrons in the material.

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