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APS » Journals » Phys. Rev. Lett. » Volume 58 » Issue 9
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Phys. Rev. Lett. 58, 908–910 (1987)

Superconductivity at 93 K in a new mixed-phase Y-Ba-Cu-O compound system at ambient pressure

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M. K. Wu, J. R. Ashburn, and C. J. Torng
Department of Physics, University of Alabama, Huntsville, Alabama 35899

P. H. Hor, R. L. Meng, L. Gao, Z. J. Huang, Y. Q. Wang, and C. W. Chu
Department of Physics and Space Vacuum Epitaxy Center, University of Houston, Houston, Texas 77004

Received 6 February 1987; published in the issue dated 2 March 1987

A stable and reproducible superconductivity transition between 80 and 93 K has been unambiguously observed both resistively and magnetically in a new Y-Ba-Cu-O compound system at ambient pressure. An estimated upper critical field Hc2(0) between 80 and 180 T was obtained.

© 1987 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.58.908
DOI:
10.1103/PhysRevLett.58.908
PACS:
74.70.Ya
 
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