On the heavy fermion ferromagnetic system Ce4Bi3

T. Suzuki; Y. Nakabayashi; A. Ochiai; T. Kasuya; K. Sugiyama; M. Date

doi:10.1016/0304-8853(87)90521-X

On the heavy fermion ferromagnetic system Ce₄Bi₃

T. Suzuki, Y. Nakabayashi, A. Ochiai, T. Kasuya, K. Sugiyama, M. Date

SCI - Physics

Research output: Contribution to journal › Article

8 Citations (Scopus)

Abstract

Specific heat measurements on Ce₄Bi₃ at low temperature were carried out in various magnetic fields, and the phase diagram with dH_c/dT > 0 was determined. A large linear specific heat coefficient, γ = 200 mJ/K²mol Ce was obtained at H = 0. The entropy at the phase transition temperature is only 40% of ln 2. The ordered anisotropy in magnetization cannot be explained by a simple crystalline field model. Various anomalous properties suggest competition between the Kondo and ferromagnetic interaction in Ce₄Bi₃.

Original language	English
Pages (from-to)	58-60
Number of pages	3
Journal	Journal of Magnetism and Magnetic Materials
Volume	63-64
Issue number	C
DOIs	https://doi.org/10.1016/0304-8853(87)90521-X
Publication status	Published - 1987 Jan

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Suzuki, T., Nakabayashi, Y., Ochiai, A., Kasuya, T., Sugiyama, K., & Date, M. (1987). On the heavy fermion ferromagnetic system Ce₄Bi₃. Journal of Magnetism and Magnetic Materials, 63-64(C), 58-60. https://doi.org/10.1016/0304-8853(87)90521-X

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author = "T. Suzuki and Y. Nakabayashi and A. Ochiai and T. Kasuya and K. Sugiyama and M. Date",

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AU - Nakabayashi, Y.

AU - Ochiai, A.

AU - Kasuya, T.

AU - Sugiyama, K.

AU - Date, M.

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AB - Specific heat measurements on Ce4Bi3 at low temperature were carried out in various magnetic fields, and the phase diagram with dHc/dT > 0 was determined. A large linear specific heat coefficient, γ = 200 mJ/K2mol Ce was obtained at H = 0. The entropy at the phase transition temperature is only 40% of ln 2. The ordered anisotropy in magnetization cannot be explained by a simple crystalline field model. Various anomalous properties suggest competition between the Kondo and ferromagnetic interaction in Ce4Bi3.

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