Pressure-induced superconductivity in ferromagnet UIr without inversion symmetry

T. C. Kobayashi; S. Fukushima; H. Hidaka; H. Kotegawa; T. Akazawa; E. Yamamoto; Y. Haga; R. Settai; Y. Onuki

doi:10.1016/j.physb.2006.01.126

Pressure-induced superconductivity in ferromagnet UIr without inversion symmetry

T. C. Kobayashi, S. Fukushima, H. Hidaka, H. Kotegawa, T. Akazawa, E. Yamamoto, Y. Haga, R. Settai, Y. Onuki

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

21 Citations (Scopus)

Abstract

High-pressure AC-susceptibility measurement has been carried out in UIr. Three series of peaks corresponding to the successive ferromagnetic transitions indicate the existence of three ferromagnetic phases FM1-3. The phase boundary between FM2 and FM3 was not realized in the resistivity measurement. The Meissner effect is observed successfully in the pressure range of 2.63-2.74 GPa where the peak of AC-susceptibility survives. This result indicates that the superconducting phase is embedded in the FM3 phase with the ordered moment less than 0.05μ_B/U and adjoins the quantum critical point.

Original language	English
Pages (from-to)	355-358
Number of pages	4
Journal	Physica B: Condensed Matter
Volume	378-380
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.physb.2006.01.126
Publication status	Published - May 1 2006

Keywords

Critical fluctuation
Ferromagnetism
Inversion symmetry
Superconductivity
UIr

ASJC Scopus subject areas

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

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title = "Pressure-induced superconductivity in ferromagnet UIr without inversion symmetry",

abstract = "High-pressure AC-susceptibility measurement has been carried out in UIr. Three series of peaks corresponding to the successive ferromagnetic transitions indicate the existence of three ferromagnetic phases FM1-3. The phase boundary between FM2 and FM3 was not realized in the resistivity measurement. The Meissner effect is observed successfully in the pressure range of 2.63-2.74 GPa where the peak of AC-susceptibility survives. This result indicates that the superconducting phase is embedded in the FM3 phase with the ordered moment less than 0.05μB/U and adjoins the quantum critical point.",

keywords = "Critical fluctuation, Ferromagnetism, Inversion symmetry, Superconductivity, UIr",

author = "Kobayashi, {T. C.} and S. Fukushima and H. Hidaka and H. Kotegawa and T. Akazawa and E. Yamamoto and Y. Haga and R. Settai and Y. Onuki",

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T1 - Pressure-induced superconductivity in ferromagnet UIr without inversion symmetry

AU - Kobayashi, T. C.

AU - Fukushima, S.

AU - Hidaka, H.

AU - Kotegawa, H.

AU - Akazawa, T.

AU - Yamamoto, E.

AU - Haga, Y.

AU - Settai, R.

AU - Onuki, Y.

PY - 2006/5/1

Y1 - 2006/5/1

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AB - High-pressure AC-susceptibility measurement has been carried out in UIr. Three series of peaks corresponding to the successive ferromagnetic transitions indicate the existence of three ferromagnetic phases FM1-3. The phase boundary between FM2 and FM3 was not realized in the resistivity measurement. The Meissner effect is observed successfully in the pressure range of 2.63-2.74 GPa where the peak of AC-susceptibility survives. This result indicates that the superconducting phase is embedded in the FM3 phase with the ordered moment less than 0.05μB/U and adjoins the quantum critical point.

KW - Critical fluctuation

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KW - Inversion symmetry

KW - Superconductivity

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