Quadrupolar frustration in Shastry-Sutherland lattice of DyB4 studied by resonant X-ray scattering

Daisuke Okuyama, Takeshi Matsumura, Hironori Nakao, Youichi Murakami

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

We have observed geometrical frustration of quadrupolar and magnetic moments in dysprosium tetraboride, DyB4, where the rare-earth sites form a Shastry-Sutherland lattice. Resonant X-ray scattering at the L III absorption edge of Dy was utilized. Analysis of the energy, polarization, temperature, and azimuthal-angle dependences of the E1 resonance of the (1 0 0) forbidden reflection show that the magnetic and quadrupolar components within the frustrated c plane have a short-range correlation, suggesting that the moments are fluctuating. In contrast, the basic antiferromagnetic component along the c-axis has a long-range order.

Original languageEnglish
Pages (from-to)2434-2437
Number of pages4
Journaljournal of the physical society of japan
Volume74
Issue number9
DOIs
Publication statusPublished - 2005 Sep 1

Keywords

  • DyB
  • Fluctuation
  • Geometrical frustration
  • Quadrupole order
  • Resonant X-ray scattering

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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