Unconventional magnetic phase transition in antiferromagnetic heavy-fermion YbIrGe

Kenichi Katoh, Eisyu Honda, Takanori Matsuo, Shintaro Nakamura, Tsutomu Nojima, Akira Ochiai

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

The low temperature magnetic and transport properties of the heavy-fermion compound YbIrGe which antiferromagnetically orders at 2.4 K are presented. A new magnetic phase was found below 1.4 K. This phase disappears by an application of magnetic field along the a- and b-axes above 10 kOe. Although the coefficient of the term linear to the temperature in the specific heat (γ-value) was reported to be 1.95 J/mol K2 estimated from the specific heat between 1.9 K and 2.4 K previously, the new reliable γ-value was estimated to be 0.28 J/mol K2 from the specific heat below 1.4 K.

Original languageEnglish
Pages (from-to)63-67
Number of pages5
JournalPhysica B: Condensed Matter
Volume429
DOIs
Publication statusPublished - 2013 Sep 27

Keywords

  • Antiferromagnetism
  • Heavy fermion
  • Specific heat
  • Yb compounds

ASJC Scopus subject areas

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

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