Magnetic, thermodynamic, NMR, and transport properties of the heavy-fermion semiconductor U2Ru2Sn

V. H. Tran, S. Paschen, A. Rabis, N. Senthilkumaran, M. Baenitz, F. Steglich, P. de V. Du Plessis, A. M. Strydom

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

We have measured the magnetic susceptibility, specific heat, NMR, electrical resistivity, magnetoresistance, Hall effect, thermoelectric power, and thermal conductivity of polycrystalline U2Ru2Sn. Some of these properties are compared to those of Th2Ru2Sn. The experimental data indicate the formation of a narrow energy gap of approximately kB X 160 K in U2Ru2Sn. Similarities to the behavior of heavy-fermion semiconductors (Kondo insulators) are observed, in particular to CeNiSn. Thus, we believe that U2Ru2Sn may be classified as a heavy-fermion semiconductor.

Original languageEnglish
Article number075111
Pages (from-to)751111-751117
Number of pages7
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume67
Issue number7
Publication statusPublished - 15 Feb 2003

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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