Electronic properties of UNi2/3Rh1/3Al single crystal

V. Sechovský, A. V. Andreev, J. Šebek, O. Syshchenko, Y. Homma, Y. Shiokawa, M. I. Bartachevich, T. Goto

Research output: Contribution to journalConference articlepeer-review


UNi2/3Rh1/3Al, a solid solution of UNiAl (Antiferromagnet (AF) with TN-19.3 K) and URhAl (Ferromagnet (F) with TC-27 K) exhibits no magnetic order due to a delicate balance of AF and F interactions. We report on a single-crystal susceptibility χ, magnetization M and resistivity ρ study. The huge uniaxial magnetic anisotropy typical for the parent compounds is preserved in UNi2/3Rh1/3Al. The χc vs. T (ρ vs. T) data exhibit a maximum (minimum) at 10 K. The Mc(B) curve at 1.6 K has a pronounced S-shape with an inflection around 12 T. The increase of ρ with decreasing T below 10 K is removed by magnetic fields. The low-T anomalies are attributed to proximity of magnetic order and AF correlations. The NFL features indicated earlier on polycrystals are not fully confirmed by single-crystal data.

Original languageEnglish
Pages (from-to)480-481
Number of pages2
JournalPhysica B: Condensed Matter
Publication statusPublished - 2002 Mar
EventInternational Conference on Strongly Correlated Electrons - Ann Arbor, MI, United States
Duration: 2002 Aug 62002 Aug 6


  • Non-Fermi liquid features
  • Non-magnetic ground state
  • UNiRhAl
  • Uniaxial anisotropy


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