On the Symmetry of Low-Field Ordered Phase of PrFe4P12: 31P NMR

2007/01/31 by J. Kikuchi, Jun Kikuchi, M. Takigawa +4 · 3 citations
Materials Science · Physics and Astronomy · #Iron-based superconductors research #Physics of Superconductivity and Magnetism #Rare-earth and actinide compounds #cond-mat.str-el

paper · pdf · doi:10.1143/jpsj.76.043705

published as J. Phys. Soc. Jpn. 76, 043705 (2007) · 4 pages, 6 figures, some typos corrected, published version

openalex publication_date 2007/03/26 · arxiv created 2007/04/02 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We have performed 31P nuclear magnetic resonance (NMR) experiments on the filled skutterudite compound PrFe4P12 to investigate the exotic ordered phase at low temperatures and low magnetic fields. Analysis of the NMR line splitting in the ordered phase indicates that totally symmetric (Γ₁-type) staggered magnetic multipoles are induced by magnetic fields. This is incompatible with any type of quadrupole order at zero field. We conclude that the ordered phase has broken translational symmetry with the wave vector Q=(1,0,0) but the Th point symmetry at the Pr sites is not broken by the non-magnetic Γ₁-type order parameter.

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