Discovery of a second family of bismuth-oxide-based superconductors

Abstract

The superconducting oxide BaPb1−xBixO3, discovered in 1975 (ref. 1), is an exotic system having an unusually high transition temperature (Tc) of ∼12 K, despite a relatively low density of states at the Fermi level. The subsequent prediction that dopingthe electronically inactive barium donor sites, instead ofthe bismuth sites, might induce superconductivity… (More)
DOI: 10.1038/36529

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