Spin fluctuation and magnetic phase transition in itinerant heavy electron system Ce(Ru1-xRhx)2Si2 (x = 0, 0.03 and 0.05)

被引：16
|
作者：
Tabata, Y [1 ]
Taniguchi, T [1 ]
Sato, M [1 ]
Kawarazaki, S [1 ]
Miyako, Y [1 ]
机构：
[1] Osaka Univ, Grad Sch Sci, Toyonaka, Osaka 560, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1998年 / 67卷 / 07期
关键词：
heavy fermion; spin fluctuation; SCR;
D O I：
10.1143/JPSJ.67.2484
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The specific heats and the susceptibilities of Ce(Ru1-xRhx)(2)Si-2 single crystals (x = 0, 0.03 and 0.05) were studied between 0.1 and 10 K. The magnetic ground state of Ce(Ru1-xRhx)(2)Si-2 is found to be a Fermi liquid even near the critical concentration x = 0.03. x = 0.05 compound takes place a spin density wave transition at around 2 K, which is an antiferromagnetic order of itinerant heavy electrons by nesting in the Fermi liquid state. The low temperature behavior of the specific heat and the susceptibility were well explained by the effect of spin fluctuations based on the SCR theory.
引用
收藏
页码：2484 / 2487
页数：4
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