Superconductivity in ternary Heusler intermetallic compounds |
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| Authors: | JH Wernick GW Hull TH Geballe JE Bernardini JV Waszczak |
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| Affiliation: | 1. Bell Laboratories, Murray Hill, NJ 07974, USA;1. Also at W.W. Hansen Research Laboratory, Department of Applied Physics, Stanford University, Stanford, CA 94305, USA |
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| Abstract: | We report the discovery of superconductivity in a number of stoichiometric A2BC ordered ternary intermetallic alloys isostructural to the prototype ferromagnetic Heusler alloy, Cu2MnAl. Ni in the superconducting Ni2BC phases appears to be behaving as a full d-band constituent. The highest superconducting critical temperature Tc, for the Ni phases surveyed is exhibited by Ni2NbSn (Tc = 3.4 K). |
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