Magnetic structure of CeAs under high pressure

被引:6
作者
Osakabe, T
Kohgi, M
Iwasa, K
Kubota, M
Yoshizawa, H
Haga, Y
Suzuki, T
机构
[1] Japan Atom Energy Res Inst, Adv Sci Res Ctr, Naka, Ibaraki 3191195, Japan
[2] Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, Japan
[3] Univ Tokyo, Inst Solid State Phys, Tokyo 1068666, Japan
[4] Tsukuba Inst Sci & Technol, Tsukuba, Ibaraki 3000819, Japan
关键词
CeAs; neutron diffraction; magnetic structure;
D O I
10.1016/S0921-4526(99)01142-4
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
Neutron diffraction experiments on CrAs revealed that the pressure versus temperature phase diagram and magnetic structures in the phase diagram are very similar to those of CeP. The difference is critical pressure values P-c, which are about 0.3 GPa in CeP and about 1.2 GPa in CeAs, and above which the long period magnetic structures composed of Gamma(7) and Gamma(8) Ce (0 0 1) planes appear. This is discussed in connection with the difference of their carrier numbers and the Gamma(8) P-f mixing effect. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:434 / 436
页数:3
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