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Evidence for superconductivity above 40 K in the La-Ba-Cu-O compound system

Journal Article · · Phys. Rev. Lett.; (United States)
An apparent superconducting transition with an onset temperature above 40 K has been detected under pressures in the La-Ba-Cu-O compound system synthesized directly from a solid-state reaction of La/sub 2/O/sub 3/, CuO, and BaCO/sub 3/ followed by a decomposition of the mixture in a reduced atmosphere. The experiment is described and the results of effects of magnetic field and pressure are discussed.
Research Organization:
Department of Physics and Magnetic Information Research Laboratory, University of Houston, Houston, Texas 77004
OSTI ID:
6655924
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 58:4; ISSN PRLTA
Country of Publication:
United States
Language:
English