Quadrupolar ordered state at high fields in PrPb3

T. Onimaru, N. Aso, K. Prokes, H. S. Suzuki, T. J. Sato, T. Sakakibara

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


PrPb3 exhibits an antiferroquadrupolar transition at TQ = 0.4 K. In the present work, in order to reveal the order parameters of the ordered states in much higher fields than 5 T applied along the [1over(1, -) 0] direction, we performed neutron diffraction experiments in the temperature range between 50 mK and 0.8 K in magnetic fields up to 14.5 T. Above 7 T, we observed magnetic reflections at q = (δ δ 0.5) (δ ∼ 0.02) and its equivalents. The field-induced antiferromagnetic components were normal to the applied field, indicating that the quadrupolar order parameter in the high field phase should be of O22-type.

Original languageEnglish
Pages (from-to)2091-2094
Number of pages4
JournalJournal of Physics and Chemistry of Solids
Issue number11
Publication statusPublished - 2007 Nov


  • C. Neutron scattering
  • D. Magnetic structure


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