Observation of a Kondo effect for a dilute alloy containing Sm impurities

L. E. De Long, R. W. McCallum, W. A. Fertig, M. B. Maple, J. G. Huber

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18 Scopus citations

Abstract

Measurements of the depressions of the superconducting transition temperature Tc with Sm impurity concentration and the specific heat jump at Tc as a function of Tc, and the temperature dependences of the normal state specific heat and magnetic susceptibility are reported for the matrix impurity system (LaSm)Sn3. The results constitute the first definitive evidence of a Kondo effect for a dilute alloy containing Sm impurities.

Original languageEnglish
Pages (from-to)245-249
Number of pages5
JournalSolid State Communications
Volume22
Issue number4
DOIs
StatePublished - Apr 1977

Bibliographical note

Funding Information:
In contrast, the Kondo effect has been well characterized in dilute alloy systems containing Ce or Yb impurities where Ce possesses only one 4f electron or KYobnodnolysyosnteem4sf choonletaiinnitnhgertarrievaeleanrtthio(RniEc)sitmatpeu. rDitiileuste with many electron (hole) 4f shells are exceedingly rare and, as a rule, poorly documented, Indeed, (ZrPr)B 12 \[4\]and (LaPr)Sn3 \[5\]are the only other systems which * Supported by the U.S. Energy Research and Develop-ment Administration under Contract No. ERDA E(04-3)-34 PA227.

Funding Information:
t Supported by the National Science Foundation under Grant No. DMR-75-09494.

ASJC Scopus subject areas

  • Chemistry (all)
  • Condensed Matter Physics
  • Materials Chemistry

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