Dependence of pressure-induced phase transitions on pressure-transmitting media in the heavy-electron superconductor URu2 Si2

H. Amitsuka; K. Matsuda; M. Yokoyama; I. Kawasaki; S. Takayama; Y. Ishihara; K. Tenya; N. Tateiwa; T. C. Kobayashi; H. Yoshizawa

doi:10.1016/j.physb.2007.10.065

Dependence of pressure-induced phase transitions on pressure-transmitting media in the heavy-electron superconductor URu₂ Si₂

H. Amitsuka, K. Matsuda, M. Yokoyama, I. Kawasaki, S. Takayama, Y. Ishihara, K. Tenya, N. Tateiwa, T. C. Kobayashi, H. Yoshizawa

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Elastic neutron-scattering and ac-susceptibility measurements have been performed on a 2 φ single crystal of URu₂ Si₂ under hydrostatic pressure up to ∼ 1.1 GPa using Fluorinert 70 & 77 and Daphne oil 7373 as pressure-transmitting media. Daphne oil produces better hydrostaticity of the applied pressure than Fluorinert, resulting in a slight shift of the phase boundary between hidden order and antiferromagnetic order to a lower pressure. The superconducting phase is also influenced, but never overlaps with the antiferromagnetic phase.

Original language	English
Pages (from-to)	925-927
Number of pages	3
Journal	Physica B: Condensed Matter
Volume	403
Issue number	5-9
DOIs	https://doi.org/10.1016/j.physb.2007.10.065
Publication status	Published - Apr 1 2008

Keywords

Antiferromagnetism
Hidden order
Pressure effects
Superconductivity
URu Si

ASJC Scopus subject areas

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

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Dependence of pressure-induced phase transitions on pressure-transmitting media in the heavy-electron superconductor URu₂ Si₂. / Amitsuka, H.; Matsuda, K.; Yokoyama, M.; Kawasaki, I.; Takayama, S.; Ishihara, Y.; Tenya, K.; Tateiwa, N.; Kobayashi, T. C.; Yoshizawa, H.

In: Physica B: Condensed Matter, Vol. 403, No. 5-9, 01.04.2008, p. 925-927.

Research output: Contribution to journal › Article › peer-review

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abstract = "Elastic neutron-scattering and ac-susceptibility measurements have been performed on a 2 φ single crystal of URu2 Si2 under hydrostatic pressure up to ∼ 1.1 GPa using Fluorinert 70 & 77 and Daphne oil 7373 as pressure-transmitting media. Daphne oil produces better hydrostaticity of the applied pressure than Fluorinert, resulting in a slight shift of the phase boundary between hidden order and antiferromagnetic order to a lower pressure. The superconducting phase is also influenced, but never overlaps with the antiferromagnetic phase.",

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AU - Amitsuka, H.

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AU - Kawasaki, I.

AU - Takayama, S.

AU - Ishihara, Y.

AU - Tenya, K.

AU - Tateiwa, N.

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AU - Yoshizawa, H.

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