Magnetic and transport properties of single crystal YbIrGe

K. Katoh, T. Tsutsumi, K. Yamada, G. Terui, Y. Niide, Akira Ochiai

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The magnetic and transport properties of YbIrGe and LuIrGe have been investigated. YbIrGe with the TiNiSi-type orthorhombic structure is an antiferromagnet with TN=2.4K. Magnetic susceptibility χ(T) of YbIrGe shows a strong anisotropy which changes from the easy-plane type within the ab-plane above 100 K to the easy-axis type along the b-axis at lower temperatures. χ(T) along the a-axis makes a kink at TN in contrast to T-independence of χ(T) along b- and c-axis below TN. We propose that the Yb magnetic moments couple antiparallel in the direction of the a-axis as a magnetic structure below TN. The magnetic entropy gain at T N was released by 85% of the expected value of Rln 2 at the maximum. Therefore, YbIrGe may not be classified as a typical heavy fermion compound.

Original languageEnglish
Pages (from-to)81-88
Number of pages8
JournalPhysica B: Condensed Matter
Volume369
Issue number1-4
DOIs
Publication statusPublished - 2005 Dec 1

Keywords

  • Electrical resistivity
  • Magnetic properties
  • Specific heat
  • YbIrGe

ASJC Scopus subject areas

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

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