New heavy-fermion antiferromagnet UPd2Cd20

Yusuke Hirose, Hiroshi Doto, Fuminori Honda, Dexin Li, Dai Aoki, Yoshinori Haga, Rikio Settai

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6 Citations (Scopus)


We succeeded in growing a new high quality single crystal of a ternary uranium compound UPd2Cd20. From the electrical resistivity, magnetization, magnetic susceptibility, and specific heat experiments, UPd2Cd20 is found to be an antiferromagnetic heavy-fermion compound with the Néel temperature = 5 K and exhibits the large electronic specific heat coefficient γ exceeding 500 mJ (K2• mol)-1. This compound is the first one that exhibits the magnetic ordering with the magnetic moments of the U atom in a series of UT2X20 (T: transition metal, X = Al, Zn, Cd). UPd2Cd20 shows typical characteristic features in heavy-fermion systems such as a broad maximum in the magnetic susceptibility at and a large coefficient A of T 2 term in the resistivity.

Original languageEnglish
Article number425601
JournalJournal of Physics Condensed Matter
Issue number42
Publication statusPublished - Aug 19 2016
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics


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