TOF neutron powder diffraction studies on f-electron systems

被引：5
|
作者：
Kamiyama, T [1 ]
Oikawa, K
Izumi, F
Kosaka, M
Onodera, H
Yamaguchi, Y
Kasaya, M
Kojima, K
机构：
[1] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki 305, Japan
[2] Natl Inst Res Inorgan Mat, Tsukuba, Ibaraki 305, Japan
[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 98077, Japan
[4] Tohoku Univ, Dept Phys, Sendai, Miyagi 98077, Japan
[5] Hiroshima Univ, Fac Integrated Arts & Sci, Higashihiroshima 739, Japan
来源：
PHYSICA B | 1997年 / 241卷
关键词：
neutron powder diffraction; quadrupolar ordering; kondo lattice;
D O I：
10.1016/S0921-4526(97)00593-0
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The occurrence of quadrupolar ordering in tetragonal TmAu2 was investigated by neutron powder diffraction. The present work revealed that a structural transition to an orthorhombic form occurs simultaneously. CeCu6 is a typical dense Kondo lattice compound. Appearance of a new Kondo state in CeInCu5 was studied crystallographically. The structure parameters of CeInCu5 show that only one of 4c sites of space group Pnma is fully occupied by In and that the rest of the four sites are completely by Cu. The decrease in one of the Ce-Cu(5) distances on In doping was found, which might be related to the enhancement of T-K. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：376 / 378
页数：3
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