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Science 25 April 1980:
Vol. 208. no. 4442, pp. 401 - 402
DOI: 10.1126/science.208.4442.401
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Articles

Enhancement of Superconductivity through Lattice Softening

B. T. MATTHIAS 1, G. R. STEWART 2, A. L. GIORGI 2, J. L. SMITH 2, Z. FISK 3, and H. BARZ 4

1 Institute for Pure and Applied Physical Sciences, University of California, San Diego, La Jolla 92093
2 Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87545
3 Institute for Pure and Applied Physical Sciences, University of California
4 Bell Laboratories, Murray Hill, New Jersey 07974

The superconducting transition temperature of an iridium-yttrium eutectic is enhanced extraordinarily through lattice softening. This is shown by a drastically reduced Debye temperature.

Submitted on March 3, 1980

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Science. ISSN 0036-8075 (print), 1095-9203 (online)