Angle-resolved magnetization measurements on antiferroquadrupolar ordering system PrPb3: Evidence for anisotropic quadrupolar interaction

Takahiro Onimaru, Toshiro Sakakibara, Akira Harita, Takashi Tayama, Dai Aoki, Yoshichika Onuki

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Angle-resolved magnetization measurements have been performed on PrPb 3 at temperatures down to 0.35 K and magnetic fields up to 4 T to examine the field-orientational dependence of the anti-ferroquadrupolar (AFQ) ordering temperature TQ in detail. Field rotation within the (001) and (110) planes revealed that TQ takes a v-shape minimum not only along the [111] direction but also along the [110] direction. The results are incompatible with those obtained using an isotropic AFQ interaction model, and strongly suggest the existence of an anisotropic AFQ interaction that stabilizes the O20 phase or its equivalents in all directions in a wide field range.

Original languageEnglish
Pages (from-to)2377-2380
Number of pages4
Journaljournal of the physical society of japan
Volume73
Issue number9
DOIs
Publication statusPublished - 2004 Sep 1

Keywords

  • Antiferroquadrupolar ordering
  • Magnetization
  • Octupole interaction
  • Phase diagram
  • PrPb
  • Quadrupole interaction

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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