Evidence of the quadrupolar ordering in DyPd3S4

E. Matsuoka, J. Kitagawa, K. Ohoyama, H. Yoshizawa, M. Ishikawa

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19 Citations (Scopus)


By means of specific heat, magnetic susceptibility, and neutron powder diffraction experiments, we reinvestigated new samples of DyPd3S4 synthesized by an improved method. We found a new phase transition at TQ = 3.4 K above the two magnetic transitions around 1 K, which was characterized by a distinct peak in the specific heat and only a small anomaly in the magnetic susceptibility. The neutron powder diffraction experiment demonstrated neither new magnetic reflections nor evidence of a change of the crystal structure below TQ. It was furthermore found that the quartet crystalline-electric-field ground state is consistent with the result for the magnetic entropy deduced from the specific heat and that TQ increases with the external magnetic field. These results strongly imply that the new phase transition at TQ is due to antiferroquadrupolar ordering.

Original languageEnglish
Pages (from-to)11009-11016
Number of pages8
JournalJournal of Physics Condensed Matter
Issue number48
Publication statusPublished - 2001 Dec 3

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics


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