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Antiferro-quadrupole Ordering of CeB$_6$ 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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Abstract

Under zero magnetic field, a quadrupolar order parameter at q_Q=(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) te\ chnique. 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.

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Hironori Nakao, Ko-ichi Magishi, Yusuke Wakabayashi, Youichi Murakami, Kuniyuki Koyama, Kazuma Hirota, Yasuo Endoh, Satoru Kunii. 2001-06-10. Antiferro-quadrupole Ordering of CeB$_6$ Studied by Resonant X-ray Scattering. https://doi.org/10.1143/jpsj.70.1857

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