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Science 7 August 1964:
Vol. 145. no. 3632, pp. 581 - 583
DOI: 10.1126/science.145.3632.581
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Articles

Superconducting Metastable Compounds

H. L. Luo 1, M. F. Merriam 2, and D. C. Hamilton 2

1 W. M. Keck Laboratory of Engineering Materials, California Institute of Technology, Pasadena
2 Department of Physics and Institute for the Study of Matter, University of California, San Diego, La Jolla

A number of metastable phases, germanides and tellurides of gold and silver, have been prepared, analyzed by x-ray diffraction, and investigated for superconductivity. The new superconductors and their transition temperatures are AgTe3 (2.6°K), Ag4Ge (0.85°K), Au3Te5 (1.62°K), and Au1-xGex (0.99°K-1.63°K) where (0.27 le x le 0.60). Au-Ge compositions with other values of x do not superconduct above 0.32°K.

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