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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  
  Keywords  
  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.  
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  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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