Magnetoresistance and de Haas-van Alphen oscillation in normal and superconducting CeRu2

M. Hedo; Y. Inada; K. Sakurai; E. Yamamoto; Y. Haga; Y. Ōnuki; S. Takahashi; M. Higuchi; T. Maehira; A. Hasegawa

doi:10.1080/13642819808206399

Magnetoresistance and de Haas-van Alphen oscillation in normal and superconducting CeRu₂

M. Hedo, Y. Inada, K. Sakurai, E. Yamamoto, Y. Haga, Y. Ōnuki, S. Takahashi, M. Higuchi, T. Maehira, A. Hasegawa

Materials Property Division

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

31 Citations (Scopus)

Abstract

We have succeeded in growing high-quality single crystals of CeRu₂ and have measured the magnetoresistance and de Haas-van Alphen (dHvA) effect in both its normal and its superconducting mixed states. From the result of the magnetoresistance, we conclude that CeRu₂ is a compensated metal. The measured dHvA frequencies are well explained by the results of band-structure calculations. The dHvA frequency does not change in magnitude between the normal and superconducting mixed states, while the cyclotron mass is reduced, and the corresponding Dingle temperature increases in the mixed state. The mass and the Dingle temperature strongly depend on the magnetic field in the mixed state.

Original language	English
Pages (from-to)	975-1000
Number of pages	26
Journal	Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Volume	77
Issue number	4
DOIs	https://doi.org/10.1080/13642819808206399
Publication status	Published - 1998 Apr

ASJC Scopus subject areas

Chemical Engineering(all)
Physics and Astronomy(all)

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Hedo, M., Inada, Y., Sakurai, K., Yamamoto, E., Haga, Y., Ōnuki, Y., Takahashi, S., Higuchi, M., Maehira, T., & Hasegawa, A. (1998). Magnetoresistance and de Haas-van Alphen oscillation in normal and superconducting CeRu₂. Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties, 77(4), 975-1000. https://doi.org/10.1080/13642819808206399

Magnetoresistance and de Haas-van Alphen oscillation in normal and superconducting CeRu₂. / Hedo, M.; Inada, Y.; Sakurai, K.; Yamamoto, E.; Haga, Y.; Ōnuki, Y.; Takahashi, S.; Higuchi, M.; Maehira, T.; Hasegawa, A.

In: Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties, Vol. 77, No. 4, 04.1998, p. 975-1000.

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

Hedo, M, Inada, Y, Sakurai, K, Yamamoto, E, Haga, Y, Ōnuki, Y, Takahashi, S, Higuchi, M, Maehira, T & Hasegawa, A 1998, 'Magnetoresistance and de Haas-van Alphen oscillation in normal and superconducting CeRu₂', Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties, vol. 77, no. 4, pp. 975-1000. https://doi.org/10.1080/13642819808206399

Hedo, M. ; Inada, Y. ; Sakurai, K. ; Yamamoto, E. ; Haga, Y. ; Ōnuki, Y. ; Takahashi, S. ; Higuchi, M. ; Maehira, T. ; Hasegawa, A. / Magnetoresistance and de Haas-van Alphen oscillation in normal and superconducting CeRu₂. In: Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties. 1998 ; Vol. 77, No. 4. pp. 975-1000.

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abstract = "We have succeeded in growing high-quality single crystals of CeRu2 and have measured the magnetoresistance and de Haas-van Alphen (dHvA) effect in both its normal and its superconducting mixed states. From the result of the magnetoresistance, we conclude that CeRu2 is a compensated metal. The measured dHvA frequencies are well explained by the results of band-structure calculations. The dHvA frequency does not change in magnitude between the normal and superconducting mixed states, while the cyclotron mass is reduced, and the corresponding Dingle temperature increases in the mixed state. The mass and the Dingle temperature strongly depend on the magnetic field in the mixed state.",

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note = "Funding Information: We are very grateful to Professor K. Maki, Professor H. Shiba and Professor S. Koh for helpful discussions. This work was supported by Grant-in-Aid for Scientific Research on Priority Areas from Ministry of Education, Science and Culture in Japan. One of us (S. T.) acknowledges the support of HITACS-3800/380 supercomputing facilities in the Institute for Materials Research, Tohoku University.",

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AU - Ōnuki, Y.

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AU - Higuchi, M.

AU - Maehira, T.

AU - Hasegawa, A.

N1 - Funding Information: We are very grateful to Professor K. Maki, Professor H. Shiba and Professor S. Koh for helpful discussions. This work was supported by Grant-in-Aid for Scientific Research on Priority Areas from Ministry of Education, Science and Culture in Japan. One of us (S. T.) acknowledges the support of HITACS-3800/380 supercomputing facilities in the Institute for Materials Research, Tohoku University.

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N2 - We have succeeded in growing high-quality single crystals of CeRu2 and have measured the magnetoresistance and de Haas-van Alphen (dHvA) effect in both its normal and its superconducting mixed states. From the result of the magnetoresistance, we conclude that CeRu2 is a compensated metal. The measured dHvA frequencies are well explained by the results of band-structure calculations. The dHvA frequency does not change in magnitude between the normal and superconducting mixed states, while the cyclotron mass is reduced, and the corresponding Dingle temperature increases in the mixed state. The mass and the Dingle temperature strongly depend on the magnetic field in the mixed state.

AB - We have succeeded in growing high-quality single crystals of CeRu2 and have measured the magnetoresistance and de Haas-van Alphen (dHvA) effect in both its normal and its superconducting mixed states. From the result of the magnetoresistance, we conclude that CeRu2 is a compensated metal. The measured dHvA frequencies are well explained by the results of band-structure calculations. The dHvA frequency does not change in magnitude between the normal and superconducting mixed states, while the cyclotron mass is reduced, and the corresponding Dingle temperature increases in the mixed state. The mass and the Dingle temperature strongly depend on the magnetic field in the mixed state.

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