Magnetic Reversal of Electric Polarization with Fixed Chirality of Magnetic Structure in a Chiral-Lattice Helimagnet MnSb2O6

被引：26

作者：

Kinoshita, M. ^{[1
,2
]}

Seki, S. ^{[3
,4
]}

Sato, T. J. ^{[5
]}

Nambu, Y. ^{[5
]}

Hong, T. ^{[6
]}

Matsuda, M. ^{[6
]}

Cao, H. B. ^{[6
]}

Ishiwata, S. ^{[1
,2
,4
]}

Tokura, Y. ^{[1
,2
,3
]}

机构：

[1] Univ Tokyo, Dept Appl Phys, Tokyo 1138656, Japan

[2] Univ Tokyo, QPEC, Tokyo 1138656, Japan

[3] RIKEN, CEMS, Wako, Saitama 3510198, Japan

[4] Japan Sci & Technol Agcy JST, PRESTO, Tokyo 1028666, Japan

[5] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan

[6] Oak Ridge Natl Lab, Quantum Condensed Matter Div, Oak Ridge, TN 37831 USA

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 117卷 / 04期

基金：

日本学术振兴会;

关键词：

D O I：

10.1103/PhysRevLett.117.047201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The correlation between magnetic and dielectric properties has been investigated for the single crystal of the chiral triangular-lattice helimagnet MnSb2O6. We found that the spin-spiral plane in the ground state has a considerable tilting from the (110) plane and that the sign of the spin-spiral tilting angle is coupled to the clockwise or counterclockwise manner of spin rotation and accordingly to the sign of magnetically induced electric polarization. This leads to unique magnetoelectric responses such as the magnetic-field-induced selection of a single ferroelectric domain as well as the reversal of electric polarization just by a slight tilting of the magnetic field direction, where the chiral nature of the crystal structure plays a crucial role through the coupling of the chirality between the crystal and magnetic structures. Our results demonstrate that crystallographic chirality can be an abundant source of novel magnetoelectric functions with coupled internal degrees of freedom.

引用

页数：5

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