Absence of Kondo lattice coherence effects in Ce 0.6La 0.4Pb 3: A magnetic-field study

Richard Pietri, Costel R. Rotundu, Bohdan Andraka, Bryan C. Daniels, Kevin Ingersent

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

The specific heat of polycrystalline Ce0.6 La0.4 Pb3 has been measured in magnetic fields ranging from 0 to 14 T. After subtraction of a lattice contribution, the specific heat between 1 K and 10 K is well described by the S= 1 2 single-impurity Kondo model with just one adjustable parameter: the zero-field Kondo temperature. In particular, the variation in the temperature and the height of the peak in C vs T is captured with good accuracy. This fit suggests that lattice coherence effects play no significant role in the magnetic-field response of this concentrated Kondo system.

Original languageEnglish (US)
Article number10A510
JournalJournal of Applied Physics
Volume97
Issue number10
DOIs
StatePublished - May 15 2005
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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