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Searching for ductile superconducting Heusler X2YZ compounds

N. Hoffmann, T. Cerqueira, P. Borlido, A. Sanna, J. Schmidt, M. Marques

npj Computational Materials, 9, 138, (2023)

DOI: 10.1038/s41524-023-01084-7

Download: BibTEX

Heusler compounds attract a great deal of attention from researchers thanks to a wealth of interesting properties, among which is superconductivity. Here we perform an extensive study of the superconducting and elastic properties of the cubic (full-)Heusler family using a mixture of ab initio methods, as well as interpretable and predictive machine-learning models. By analyzing the statistical distributions of these properties and comparing them to anti-perovskites, we recognize universal behaviors that should be common to all conventional superconductors while others turn out to be specific to the material family. In total, we discover a total of eight hypothetical materials with critical temperatures above 10 K to be compared with the current record of Tc = 4.7 K in this family. Furthermore, we expect most of these materials to be highly ductile, making them potential candidates for the manufacture of wires and tapes for superconducting magnets.

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{"type":"article", "name":"n.hoffmann20238", "author":"N. Hoffmann and T. Cerqueira and P. Borlido and A. Sanna and J. Schmidt and M. Marques", "title":"Searching for ductile superconducting Heusler X2YZ compounds", "journal":"npj Computational Materials", "volume":"9", "OPTnumber":"1", "OPTmonth":"8", "year":"2023", "OPTpages":"138", "OPTnote":"", "OPTkey":"", "DOI":"10.1038/s41524-023-01084-7"}
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