Title

Superconductivity Near 70 K in a New Family of Layered Copper Oxides

Document Type

Article

Publication Date

1-1-1988

Abstract

A new family of high-temperature superconductors is described, with the general formula Pb 2 Sr 2 ACu 3 O 8+δ . Although they have the planes of CuO 5 square pyramids characteristic of the other copper-oxide superconductors, the new compounds belong to a distinct structural series, with wide scope for elemental substitution. Their unusual electronic configuration also gives new insight into the role of charge distribution among the structural building blocks in controlling superconductivity.

DOI

10.1038/336211a0

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