Antiferromagnetic Kondo-lattice system Ce₂RhSi₃ with moderate heavy-fermion behavior

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• 作者：N. Kase ; T. Muranaka ; J. Akimitsu
• 关键词： ; none ; color ; black"" href=""/science?_ob=MathURL&_method=retrieve&_udi=B6TJJ-4WHFD9Y-5&_mathId=mml35&_user=10&_cdi=5312&_pii=S0304885309006416&_rdoc=3&_issn=03048853&_acct=C000050441&_version=1&_userid=1019048&md
• 刊名：Journal of Magnetism and Magnetic Materials
• 出版年：2009
• 出版时间：October 2009
• 年：2009
• 卷：321
• 期：20
• 页码：3380-3383
• 全文大小：310 K

文摘

We report here on the physical properties of single crystal, Ce₂RhSi₃. The low-temperature physical properties of Ce₂RhSi₃ are studied by means of magnetic susceptibility, electrical resistivity and specific heat measurements. Ce₂RhSi₃ shows the typical heavy-fermion antiferromagnetic behavior. The electrical resistivity ρ(T) shows -lnT 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 Rln2. The linear coefficients of specific heat are below T_N. From these measurements, Ce₂RhSi₃ can be classified to be moderate heavy-fermion antiferromagnet.