Crystalline electric field effect and magnetic properties of CeRhSi 3 single crystal

Y. Muro, M. Ishikawa, K. Hirota, Z. Hiroi, N. Takeda, N. Kimura, H. Aoki

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28 Citations (Scopus)

Abstract

We have studied the crystalline electric-field effect of the noncentrosymmetric heavy-fermion antiferromagnet CeRhSi3 by measuring the magnetic susceptibility χ(T), specific heat Cp(T) and inelastic neutron scattering. The 4f level scheme determined from χ agrees with a magnetic excitation observed in the inelastic neutron spectra and the Schottky anomaly in the magnetic part of Cp . Moreover, we have measured Cp under various magnetic fields B up to 8 T and observed that the Néel temperature TN decreases proportionally to B2 for B ∥ a-axis while the B dependence of TN is rather small for B ∥ caxis. This anisotropic behavior suggests that the antiferromagnetically ordered moments lie in the tetragonal c-plane.

Original languageEnglish
Article number033706
Journaljournal of the physical society of japan
Volume76
Issue number3
DOIs
Publication statusPublished - 2007 Mar

Keywords

  • CeRhSi
  • Crystalline electric field
  • Heavy fermion
  • Single crystal

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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