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Author (up) Lobos, A.M.; Aligia, A.A.; Sereni, J.G. doi  openurl
  Title Specific heat of magnetic Ce alloys within a two-component model Type Journal Article
  Year 2004 Publication European Physical Journal B Abbreviated Journal Eur. Phys. J. B  
  Volume 41 Issue 3 Pages 289-294  
  Abstract We propose a description of the electronic properties of Ce alloys as an inhomogeneous mixture of two components: one containing magnetic Ce ions with an RKKY interaction J(H) between them, and the other described as a collection of Kondo impurities with exchange interaction J(K). Both J(H) and J(K) are assumed to depend on a composition parameter X, with a Gaussian distribution around a value X-0 (near to the expectation value of X), related to the experimental composition parameter x of the alloy. When the concentration of the Kondo impurities is large, the specific heat C displays non-Fermi liquid behavior over a wide temperature range. The main qualitative features of C/T as a function of temperature T observed in several Ce alloys are reproduced using simple J(H)(X) and J(K)(X) dependences.  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1434-6028 ISBN Medium  
  Area Expedition Conference  
  Notes ISI:000224753700002 Approved no  
  Call Number BT @ hernan @ Serial 62  
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