New superconducting cuprate perovskites

D. W. Murphy, S. Sunshine, R. B. Van Dover, R. J. Cava, B. Batlogg, S. M. Zahurak, L. F. Schneemeyer

Research output: Contribution to journalArticlepeer-review

341 Scopus citations


Ten new superconducting cuprate perovskites with Tcs above 77 K are reported. The highest Tc of the new group, and for any superconductor, is observed in Ba2Eu0.9Y0.1Cu3Ox which has a resistive midpoint of 94.5 K with a width of 0.7 K. Miessner effect and ac susceptibility measurements indicate bulk superconductivity in these materials. Each of these cuprates has a two-to-one ratio of divalent to trivalent ion on the A site of the perovskite-type structure.

Original languageEnglish (US)
Pages (from-to)1888-1890
Number of pages3
JournalPhysical review letters
Issue number18
StatePublished - 1987
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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