Spin dynamics of quadrupole-ordered PrFe4P12

被引：7
|
作者：
Park, JG [1 ]
Adroja, DT
McEwen, KA
Kohgi, M
Iwasa, K
Kwon, YS
机构：
[1] Sungkyunkwan Univ, Dept Phys, Inst Basic Sci, Suwon 440746, South Korea
[2] Rutherford Appleton Lab, ISIS Facil, Didcot OX11 0QX, Oxon, England
[3] UCL, Dept Phys & Astron, London WC1E 6BT, England
[4] Tokyo Metropolitan Univ, Dept Phys, Tokyo 1920397, Japan
[5] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
来源：
PHYSICA B-CONDENSED MATTER | 2005年 / 359卷
关键词：
inelastic neutron scattering; PrFe(4)P(12); skutterudite compound; quadrupole ordering;
D O I：
10.1016/j.physb.2005.01.327
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
PrFe(4)P(12) shows a unique transition at 6.5 K with clear anomalies in its bulk properties. In order to understand the nature of the transition, we have undertaken inelastic neutron scattering studies from 300 to 2 K with varying magnetic fields up to 7 T. The analysis of the present data demonstrates that there is a pronounced change of the spin dynamics at 6.5 K which we attribute to the interplay between the spin and quadrupole degrees of freedom. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：868 / 870
页数：3
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