Pressure-induced structural phase transitions in UIr

H. Kotegawa; S. Araki; T. Akazawa; A. Hori; Y. Irie; S. Fukushima; H. Hidaka; T. C. Kobayashi; K. Takeda; Y. Ohishi; K. Murata; E. Yamamoto; S. Ikeda; Y. Haga; R. Settai; Y. O'nuki

doi:10.1103/PhysRevB.84.054524

Pressure-induced structural phase transitions in UIr

H. Kotegawa, S. Araki, T. Akazawa, A. Hori, Y. Irie, S. Fukushima, H. Hidaka, T. C. Kobayashi, K. Takeda, Y. Ohishi, K. Murata, E. Yamamoto, S. Ikeda, Y. Haga, R. Settai, Y. O'nuki

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13 Citations (Scopus)

Abstract

Strain and resistivity measurements in UIr showed the occurrence of two structural phase transitions under high pressure, indicating the existence of three phases I-III, with slightly different crystal structures. It is suggested that ferromagnetic phases FM1-FM3 emerge in phases I-III, respectively. The pressure-temperature phase diagram was sensitive to the hydrostaticity of pressure. FM3 and superconductivity are observed in the measurements in which Daphne 7373 is used as a pressure-transmitting medium; however they are both absent in the case where petroleum ether is used as a pressure-transmitting medium. These results indicate a close relationship between ferromagnetism and superconductivity.

Original language	English
Article number	054524
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	84
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevB.84.054524
Publication status	Published - Aug 10 2011

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.84.054524

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Kotegawa, H., Araki, S., Akazawa, T., Hori, A., Irie, Y., Fukushima, S., Hidaka, H., Kobayashi, T. C., Takeda, K., Ohishi, Y., Murata, K., Yamamoto, E., Ikeda, S., Haga, Y., Settai, R., & O'nuki, Y. (2011). Pressure-induced structural phase transitions in UIr. Physical Review B - Condensed Matter and Materials Physics, 84(5), [054524]. https://doi.org/10.1103/PhysRevB.84.054524

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AU - Kotegawa, H.

AU - Araki, S.

AU - Akazawa, T.

AU - Hori, A.

AU - Irie, Y.

AU - Fukushima, S.

AU - Hidaka, H.

AU - Kobayashi, T. C.

AU - Takeda, K.

AU - Ohishi, Y.

AU - Murata, K.

AU - Yamamoto, E.

AU - Ikeda, S.

AU - Haga, Y.

AU - Settai, R.

AU - O'nuki, Y.

PY - 2011/8/10

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AB - Strain and resistivity measurements in UIr showed the occurrence of two structural phase transitions under high pressure, indicating the existence of three phases I-III, with slightly different crystal structures. It is suggested that ferromagnetic phases FM1-FM3 emerge in phases I-III, respectively. The pressure-temperature phase diagram was sensitive to the hydrostaticity of pressure. FM3 and superconductivity are observed in the measurements in which Daphne 7373 is used as a pressure-transmitting medium; however they are both absent in the case where petroleum ether is used as a pressure-transmitting medium. These results indicate a close relationship between ferromagnetism and superconductivity.

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Pressure-induced structural phase transitions in UIr

Abstract

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