Resonant and non-resonant X-ray scattering from GdB6

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

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

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
Volume359-361
Issue numberSPEC. ISS.
DOIs
Publication statusPublished - 2005 Apr 30

Keywords

  • GdB
  • Lattice distortion
  • Magnetic X-ray scattering

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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