Detailed Measurements of Characteristic Profiles of Magnetic Diffuse Scattering in ErB2C2

  • Ohoyama Kenji
    Institute for Materials Research, Tohoku University
  • Indoh Kentaro
    Institute for Materials Research, Tohoku University
  • Tobo Aya
    Department of Physics, Graduate School of Science, Tohoku University
  • Kaneko Koji
    Advanced Science Research Center, Japan Atomic Energy Research Institute
  • Hino Aya
    Institute for Materials Research, Tohoku University
  • Onodera Hideya
    Department of Physics, Graduate School of Science, Tohoku University

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  • Detailed Measurements of Characteristic Profiles of Magnetic Diffuse Scattering in ErB<sub>2</sub>C<sub>2</sub>

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Detailed neutron diffraction measurements were performed on a single crystalline sample of Er11B2C2. We observed magnetic diffuse scattering, which consists of three components, just above the transition temperatures. This scattering is also observed in anomalous antiferroquadrupolar ordering compounds,TbB2C2 and HoB2C2. The results of the experiments indicate that the antiferroquadrupolar interaction is not essential for the origin of the magnetic diffuse scattering.

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