Thermal variation of Ce valence in mixed valence-Kondo lattice systems CeT2(Si1-xGex)2 with T=Mn and Ni

Gan Liang, Mark Croft

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The results on the thermal variation of Ce L3-valence in CeT2(Si1-xGex)2 series with 0≤x≤1 and T=Mn and Ni are reported. It is observed that for both series, the Ce valence increases with decreasing temperature and has little thermal variation for samples in the nearly trivalent regime. The magnitude of this thermal variation in the T=Mn series is much greater than in the T=Ni series. The results are explained by the degenerate Anderson model and correlated with the specific heat data.

Original languageEnglish (US)
Pages (from-to)1482-1483
Number of pages2
JournalPhysica B: Condensed Matter
Volume403
Issue number5-9
DOIs
StatePublished - Apr 1 2008

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Keywords

  • Anderson model
  • Ce mixed valence
  • Heavy fermion
  • Kondo lattice

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