Reports

Superconductivity of Americium

Science  05 May 1978:
Vol. 200, Issue 4341, pp. 535-537
DOI: 10.1126/science.200.4341.535

Abstract

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.

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