Elastic properties of the Kondo compounds CexLa 1-xB6 (x = 0.75 and 0.70)

Mitsuhiro Akatsu, Yuichi Nemoto, Terutaka Goto, Osamu Suzuki, Shintaro Nakamura, Satoru Kunii

Research output: Contribution to journalArticlepeer-review

Abstract

We have made thermal expansion measurements to examine the characters of an ordered phase IV in the dense Kondo compounds CexLa 1-xB6 (x = 0.75, 0.70). For both compounds, expansion along the [0 0 1] direction and shrinkage along [1 1 1] with decreasing temperature have been observed in phase IV. These results indicate the lattice distortion from cubic to trigonal structure. A ferro-quadrupole ordering of Oyz, Ozx, Oxy with Γ5 symmetry is a probable candidate for the order parameter of the phase IV.

Original languageEnglish
Pages (from-to)626-627
Number of pages2
JournalPhysica B: Condensed Matter
Volume329-333
Issue numberII
DOIs
Publication statusPublished - 2003 May

Keywords

  • CeLaB
  • Kondo compound
  • Quadrupole ordering
  • Thermal expansion

ASJC Scopus subject areas

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

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