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Heavy-fermion behavior of the ferrimagnetic compound UCuSn

Physical Review B - Condensed Matter and Materials Physics, ISSN: 1550-235X, Vol: 60, Issue: 7, Page: 4696-4701
1999
  • 12
    Citations
  • 0
    Usage
  • 10
    Captures
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    12
    • Citation Indexes
      12
  • Captures
    10

Article Description

We have measured ac-magnetic susceptibility, magnetization, electrical resistivity, magnetoresistance, and specific heat on the polycrystalline sample UCuSn. The specific heat over temperature shows a strong increase at low temperatures. The electronic specific heat coefficient γ of 330 mJ/K mol determined by extrapolation to T=0 K classifies this compound as a moderate heavy-fermion system. The other measurements together with neutron diffraction reveal that this compound orders ferrimagnetically at T=53.5 K. The temperature dependence of the magnetic resistivity of UCuSn indicates a behavior consistent with Kondo-type interactions with T=15 K in the presence of crystalline electric field effects. © 1999 The American Physical Society.

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