Field-induced partially disordered state in Yb2Pt2Pb

Akira Ochiai, Saori Matsuda, Yusuke Ikeda, Yasunobu Shimizu, Shigenori Toyoshima, Haruyoshi Aoki, Kenichi Katoh

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15 Citations (Scopus)


The physical properties of Yb2Pt2Pb, which has been considered to be a geometrically frustrated antiferromagnet with the Shastry-Sutherland lattice, are investigated by magnetization and specific heat measurements under magnetic fields. Unconventional H-T phase diagrams, which markedly vary according to the direction of the applied magnetic field, are presented. When the magnetic field is applied along the [110] direction, a partially disordered state appears. Such unconventional H-T phases of Yb 2Pt2Pb are deduced to be ascribed to the Ising-like nature of the ground-state Kramers doublet and the characteristic crystal structure.

Original languageEnglish
Article number123705
Journaljournal of the physical society of japan
Issue number12
Publication statusPublished - 2011 Dec


  • Geometrical frustration
  • Ising spin
  • Shastry-Sutherland lattice
  • YbPtPb

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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