Superconductivity in the Heusler Family of Intermetallics
T. Klimczuk, C. H. Wang, K. Gofryk, F. Ronning, J. Winterlik, G. H., Fecher, J.-C Griveau, E. Colineau, C. Felser, J. D. Thompson, D. J. Safarik,, and R. J. Cava
TL;DR
This paper reviews the superconducting properties of Heusler intermetallic compounds, emphasizing the role of electron-phonon coupling and reporting the highest Tc in YPd2Sn among these materials.
Contribution
It provides a comparative analysis of superconducting parameters in specific Heusler compounds and reports the highest Tc observed in YPd2Sn within this family.
Findings
Electron-phonon coupling is crucial for superconductivity in Heusler compounds.
YPd2Sn has the highest Tc among known Heusler superconductors.
Superconducting parameters for YPd2Sn are detailed.
Abstract
Several physical properties of the superconducting Heusler compounds, focusing on two systems (Y, Lu, Sc)Pd2Sn and APd2M, where A=Hf, Zr and M=Al, In, are summarized and compared. The analysis of the data shows the importance of the electron-phonon coupling for superconductivity in this family. We report the superconducting parameters of YPd2Sn, which has the highest Tc among all known Heusler superconductors.
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