Heavy fermion behavior in electrical resistivity of Pr(Os1 - x Rux)4 Sb12

A. Ochiai, H. Akita, G. Yoshino, S. Nakamura, T. Nojima

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1 Citation (Scopus)

Abstract

We have measured the electrical resistivity of Pr(Os1 - x Rux)4 Sb12, mixed crystal of the unconventional superconductor PrOs4 Sb12 and BCS-type superconductor PrRu4 Sb12, and determined the coefficients of the T2-term (A-value) in the normal states. The A-value obtained decreases with increasing x in the range of 0 < x < 0.6 and becomes constant when x > 0.6. This suggests that the mass enhancement takes place in the vicinity of x = 0.6 as well as the unconventional superconductivity.

Original languageEnglish
Pages (from-to)258-259
Number of pages2
JournalJournal of Magnetism and Magnetic Materials
Volume310
Issue number2 SUPPL. PART 1
DOIs
Publication statusPublished - 2007 Mar

Keywords

  • Electrical resistivity
  • Heavy fermion
  • Pr(Os Ru) Sb

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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