High-field ESR measurements of CsCuCl3 under pressure

被引：3
|
作者：
Sakurai, T
Saruhashi, M
Inagaki, Y
Okubo, S
Ohta, H
Tanaka, H
Uwatoko, Y
机构：
[1] Kobe Univ, Fac Sci, Dept Phys, Kobe, Hyogo 6578501, Japan
[2] Kobe Univ, Venture Business Lab, Kobe, Hyogo 6578501, Japan
[3] Kobe Univ, Mol Photosci Res Ctr, Kobe, Hyogo 6578501, Japan
[4] Tokyo Inst Technol, Res Ctr Low Temp Phys, Meguro Ku, Tokyo 1528551, Japan
[5] Univ Tokyo, Inst Solid State Phys, Chiba 2778581, Japan
来源：
PHYSICA B-CONDENSED MATTER | 2004年 / 346卷
关键词：
high-field ESR; pressure; antiferromagnetic resonance; quantum spin system; CsCuCl3;
D O I：
10.1016/j.physb.2004.01.054
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
High-field ESR measurements of S = 1/2 triangular antiferromagnet CsCuCl3 have been performed at 6 K under pressure using the pulsed magnetic field up to 16 T in the frequency region from 120 to 360 GHz. We found that both the phase transition field and the antiferromagnetic gap increased under pressure. The origin of the increase of the anti ferro magnetic gap was concluded to be due to the increase of the easy-plane type anisotropy as well as the increase of the interchain interaction of this system. The increase of the easy-plane type anisotropy was consistent with the increase of the phase transition field under pressure as suggested by Nikuni and Shiba's theory. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：221 / 225
页数：5
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