Antiferro-Quadrupole Ordering of CeB6 Studied by Resonant X-Ray Scattering

Hironori Nakao, Ko Ichi Magishi, Yusuke Wakabayashi, Youichi Murakami, Kuniyuki Koyama, Kazuma Hirota, Yasuo Endoh, Satoru Kunii

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108 Citations (Scopus)


Under zero magnetic field, a quadrupolar order parameter at qQ = (1/2, 1/2, 1/2) in a typical antiferro-quadrupole (AFQ) ordering compound CeB6 has been observed for the first time by means of a resonant X-ray scattering (RXS) technique. The RXS is observed at the 2p → 5d dipole transition energy of the Ce L3-edge. Using this RXS technique to observe the pure order parameter of the AFQ state, the magnetic phase diagram of Phase II is first determined.

Original languageEnglish
Pages (from-to)1857-1860
Number of pages4
JournalJournal of the Physical Society of Japan
Issue number7
Publication statusPublished - 2001 Jul


  • Antiferro-quadrupole ordering
  • CeB
  • Magnetic phase diagram
  • Orbital ordering
  • Resonant X-ray scattering


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