Czechoslovak Journal of Physics

, Volume 46, Supplement 4, pp 2065–2066 | Cite as

Anomalous low temperature specific heat of UCu4+x Al8−x

  • Takashi Nishioka
  • Yoshitaka Kurahashi
  • Ryo Fukuda
  • Masaaki Kontani
Magnetism (Experiment)

Abstract

Specific heats (C) of heavy-fermion system UCu4+x Al8−x (0<x<2) were measured systematically down to 0.15K in magnetic fields up to 5.2T. For 1.5≤x≤1.75, anomalous temperature dependences of specific heat at low temperatures were observed:C/T was proportional to −logT (x=1.5) orT −0.3 (x=1.75) in the temperature range from 0.15K to 10K. The specific heats were hardly influenced by magnetic fields of 5.2T. These anomalous behaviors suggest the possibility of non-Fermi liquid ground state in UCu4+x Al8−x .

Keywords

Magnetic Susceptibility Electrical Resistivity Heavy Fermion Fermi Liquid CeCu 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Institute of Physics, Acad. Sci. CR 1996

Authors and Affiliations

  • Takashi Nishioka
    • 1
  • Yoshitaka Kurahashi
    • 1
  • Ryo Fukuda
    • 1
  • Masaaki Kontani
    • 1
  1. 1.Department of Physics, Faculty of ScienceNagoya UniversityNagoyaJapan

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