Superconductivity in the Heusler alloy Pd2YbPb

Y. Oner*, O. Kamer, E. Alveroglu, M. Acet, T. Krenke

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Magnetization and resistivity measurements have been carried out on the Heusler alloy Pd2 YbPb in the temperature range 2-300 K. Both low-field dc susceptibility and resistivity show that this material undergoes a superconducting transition at 2.85 K. The presence of superconductivity was also confirmed by the Meissner effect observed at temperatures below 3 K. The temperature dependence of the susceptibility and resistivity have been accounted for on the basis of a crystal electric field with a Γ7 ground state. Both measurements suggest that the energy splitting between a Γ7 doublet and Γ8 quartet, the first excited state, is about 65 K. However, the energy splitting between Γ7 and Γ6 (a doublet at highest energy) deduced from the resistivity data is 165 K, while the susceptibility data yield 355 K. We ascribed this discrepancy to the poor fitting quality of susceptibility at higher temperatures. We compare the results with those published in the literature for the isoelectronic Heusler compound Pd2 YbSn.

Original languageEnglish
Pages (from-to)64-71
Number of pages8
JournalJournal of Alloys and Compounds
Issue number1-2
Publication statusPublished - 21 Feb 2007


This work was supported by TUBITAK through Project No. TBAG-2219(102T112). The authors would like to thank Prof. Nihat Berker from MIT-USA & ITU-Turkey and Prof. I. Felner from The Hebrew University, Jerusalem for very useful discussion.

FundersFunder number


    • CEF effects
    • Electrical resistivity
    • Intermetallics
    • Magnetic measurements
    • Superconductors


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