Resonant and non-resonant X-ray scattering from GdB6

K. Kuwahara, R. Yamamoto, M. Kohgi, H. Nakao, K. Ishii, K. Iwasa, Y. Murakami, S. Kunii, H. Sagayama, Y. Wakabayashi, H. Sawa

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11 Citations (Scopus)


We have performed resonant and non-resonant X-ray scattering on GdB6 to investigate the two successive phase transitions at TN=∼15K and T*=∼10K. Below TN, new superlattice reflection at the wave vector [141412], which is the same wave vector determined by the epithermal neutron diffraction, has been observed by X-ray scattering. In the temperature region between T* and TN, it was confirmed by the polarization analyses that the superlattice reflection is due to magnetic X-ray scattering. On the other hand, interestingly, the superlattice reflection below T* is mainly due to Thomson scattering. Unlike behavior expected from usual magnetoelastic effects, the wave vector of the lattice distortion is identical to that of the magnetic structure below T*.

Original languageEnglish
Pages (from-to)965-967
Number of pages3
JournalPhysica B: Condensed Matter
Issue numberSPEC. ISS.
Publication statusPublished - 2005 Apr 30


  • GdB
  • Lattice distortion
  • Magnetic X-ray scattering


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