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Science 5 May 1978:
Vol. 200. no. 4341, pp. 535 - 537
DOI: 10.1126/science.200.4341.535
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Articles

Superconductivity of Americium

JAMES L. SMITH 1 and RICHARD G. HAIRE 2

1 Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87545
2 Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830

The metal americium becomes superconducting at temperatures as high as 0.79 K for the room temperature, double-hexagonal-close-packed phase. We also have evidence of a slightly higher transition temperature for the face-centered-cubic phase. This discovery of superconductivity in the midst of nonsuperconducting manmade elements is somewhat surprising.

Submitted on February 13, 1978


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Superconducting Properties of Protactinium.
J. L. SMITH, J. C. SPIRLET, and W. MULLER (1979)
Science 205, 188-190
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