Field-induced partially disordered state in Yb2Pt2Pb

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

doi:10.1143/JPSJ.80.123705

Field-induced partially disordered state in Yb₂Pt₂Pb

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

SCI - Physics

Research output: Contribution to journal › Article

12 Citations (Scopus)

Abstract

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 language	English
Article number	123705
Journal	journal of the physical society of japan
Volume	80
Issue number	12
DOIs	https://doi.org/10.1143/JPSJ.80.123705
Publication status	Published - 2011 Dec 1

Keywords

Geometrical frustration
Ising spin
Shastry-Sutherland lattice
YbPtPb

ASJC Scopus subject areas

Physics and Astronomy(all)

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Ochiai, A., Matsuda, S., Ikeda, Y., Shimizu, Y., Toyoshima, S., Aoki, H., & Katoh, K. (2011). Field-induced partially disordered state in Yb₂Pt₂Pb. journal of the physical society of japan, 80(12), [123705]. https://doi.org/10.1143/JPSJ.80.123705

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abstract = "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.",

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AU - Ochiai, Akira

AU - Matsuda, Saori

AU - Ikeda, Yusuke

AU - Shimizu, Yasunobu

AU - Toyoshima, Shigenori

AU - Aoki, Haruyoshi

AU - Katoh, Kenichi

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AB - 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.

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KW - Shastry-Sutherland lattice

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