Antiferromagnetic Kondo-lattice system Ce2 RhSi3 with moderate heavy-fermion behavior

N. Kase; T. Muranaka; J. Akimitsu

doi:10.1016/j.jmmm.2009.06.022

Antiferromagnetic Kondo-lattice system Ce₂ RhSi₃ with moderate heavy-fermion behavior

N. Kase, T. Muranaka, J. Akimitsu

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

13 Citations (Scopus)

Abstract

We report here on the physical properties of single crystal, Ce₂ RhSi₃. The low-temperature physical properties of Ce₂ RhSi₃ are studied by means of magnetic susceptibility, electrical resistivity and specific heat measurements. Ce₂ RhSi₃ shows the typical heavy-fermion antiferromagnetic behavior. The electrical resistivity ρ (T) shows - ln T dependence from room temperature to 100 K and 20 to 5 K. The specific heat exhibits λ-type anomaly at around T_N, while the value of magnetic entropy at T_N is reduced to 56% of R ln 2. The linear coefficients of specific heat are 290 mJ / (Ce - mol K²) below T_N. From these measurements, Ce₂ RhSi₃ can be classified to be moderate heavy-fermion antiferromagnet.

Original language	English
Pages (from-to)	3380-3383
Number of pages	4
Journal	Journal of Magnetism and Magnetic Materials
Volume	321
Issue number	20
DOIs	https://doi.org/10.1016/j.jmmm.2009.06.022
Publication status	Published - Oct 1 2009
Externally published	Yes

Keywords

Antiferromagnetic transition
Ce RhSi
Magnetization
Metamagnetic transition
Specific heat

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/j.jmmm.2009.06.022

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abstract = "We report here on the physical properties of single crystal, Ce2 RhSi3. The low-temperature physical properties of Ce2 RhSi3 are studied by means of magnetic susceptibility, electrical resistivity and specific heat measurements. Ce2 RhSi3 shows the typical heavy-fermion antiferromagnetic behavior. The electrical resistivity ρ (T) shows - ln T dependence from room temperature to 100 K and 20 to 5 K. The specific heat exhibits λ-type anomaly at around TN, while the value of magnetic entropy at TN is reduced to 56% of R ln 2. The linear coefficients of specific heat are 290 mJ / (Ce - mol K2) below TN. From these measurements, Ce2 RhSi3 can be classified to be moderate heavy-fermion antiferromagnet.",

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AU - Kase, N.

AU - Muranaka, T.

AU - Akimitsu, J.

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N2 - We report here on the physical properties of single crystal, Ce2 RhSi3. The low-temperature physical properties of Ce2 RhSi3 are studied by means of magnetic susceptibility, electrical resistivity and specific heat measurements. Ce2 RhSi3 shows the typical heavy-fermion antiferromagnetic behavior. The electrical resistivity ρ (T) shows - ln T dependence from room temperature to 100 K and 20 to 5 K. The specific heat exhibits λ-type anomaly at around TN, while the value of magnetic entropy at TN is reduced to 56% of R ln 2. The linear coefficients of specific heat are 290 mJ / (Ce - mol K2) below TN. From these measurements, Ce2 RhSi3 can be classified to be moderate heavy-fermion antiferromagnet.

AB - We report here on the physical properties of single crystal, Ce2 RhSi3. The low-temperature physical properties of Ce2 RhSi3 are studied by means of magnetic susceptibility, electrical resistivity and specific heat measurements. Ce2 RhSi3 shows the typical heavy-fermion antiferromagnetic behavior. The electrical resistivity ρ (T) shows - ln T dependence from room temperature to 100 K and 20 to 5 K. The specific heat exhibits λ-type anomaly at around TN, while the value of magnetic entropy at TN is reduced to 56% of R ln 2. The linear coefficients of specific heat are 290 mJ / (Ce - mol K2) below TN. From these measurements, Ce2 RhSi3 can be classified to be moderate heavy-fermion antiferromagnet.

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