Spherical neutron polarimetry (SNP) study of magneto-electric coupling in the multiferroic MnWO4

被引：14
|
作者：
Poole, A. [1 ]
Brown, P. J. [2 ]
Wills, A. S. [1 ]
机构：
[1] UCL, Dept Chem, 20 Gordon St, London WC1H 0AJ, England
[2] Inst Laue Langevin, F-38042 Grenoble 9, France
来源：
HIGHLY FRUSTRATED MAGNETISM 2008 (HFM 2008) | 2009年 / 145卷
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1088/1742-6596/145/1/012074
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The electric-field dependence of the magnetic structure of multiferroic MnWO4 has been directly investigated using spherical neutron polarimetry as a function of temperature. The application of an electric field is shown to drive the magnetic structure to a single 'chiral' domain. The magnitude of the electric field required to do this is shown to increase upon cooling. The coupling between the magnetic order and electric polarization is further demonstrated.
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页数：4
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