Magnetic Bloch oscillations in the near-Ising antiferromagnet CoCl2•2D2O

被引：6
|
作者：
Christensen, NB [1 ]
Lefmann, K [1 ]
Johannsen, I [1 ]
Jorgensen, O [1 ]
机构：
[1] Riso Natl Lab, Dept Cond Matt Phys & Chem, DK-4000 Roskilde, Denmark
来源：
PHYSICA B | 2000年 / 276卷
关键词：
Bloch walls; magnetic anisotropy; spin waves;
D O I：
10.1016/S0921-4526(99)01317-4
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We have investigated the possible occurrence of magnetic Bloch oscillations in CoCl2 . 2D(2)O. We were unable to observe these oscillations at 20.0 K, just above T-N. In an attempt to explain this result, we studied spin waves in the a*-c* plane in order to estimate the effect of the interchain couplings. The values we obtain for the coupling parameters are in reasonable agreement with the previous studies in the b*-c* plane. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：784 / 785
页数：2
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