Flop of Electric Polarization Driven by the Flop of the Mn Spin Cycloid in Multiferroic TbMnO3

被引：54

作者：

Aliouane, N. ^{[1
,2
]}

Schmalzl, K. ^{[3
]}

Senff, D. ^{[4
]}

Maljuk, A. ^{[1
]}

Prokes, K. ^{[1
]}

Braden, M. ^{[4
]}

Argyriou, D. N. ^{[1
]}

机构：

[1] Helmholtz Zentrum Berlin Mat & Energy, D-14109 Berlin, Germany

[2] Inst Energy Technol, NO-2027 Kjeller, Norway

[3] Forschungszentrum Julich, Inst Festkorperforsch, JCNS,ILL, F-38042 Grenoble 9, France

[4] Univ Cologne, Inst Phys 2, D-50937 Cologne, Germany

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 102卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.102.207205

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using in-field single-crystal neutron diffraction, we have determined the magnetic structure of TbMnO3 in the high field P parallel to a phase. We unambiguously establish that the ferroelectric polarization arises from a cycloidal Mn spin ordering, with spins rotating in the ab plane. Our results demonstrate directly that the flop of the ferroelectric polarization in TbMnO3 with applied magnetic field is caused from the flop of the Mn cycloidal plane.

引用

页数：4

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