Giant magnetoelectric effect in HoAl3(BO3)4

被引：90

作者：

Liang, K. -C. ^{[1
,2
]}

Chaudhury, R. P. ^{[1
,2
]}

Lorenz, B. ^{[1
,2
]}

Sun, Y. Y. ^{[1
,2
]}

Bezmaternykh, L. N. ^{[3
]}

Temerov, V. L. ^{[3
]}

Chu, C. W. ^{[1
,2
,4
]}

机构：

[1] Univ Houston, Texas Ctr Superconduct, Houston, TX 77204 USA

[2] Univ Houston, Dept Phys, Houston, TX 77204 USA

[3] Russian Acad Sci, Siberian Div, Inst Phys, Krasnoyarsk 660036, Russia

[4] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW B | 2011年 / 83卷 / 18期

关键词：

ELECTRIC POLARIZATION; SINGLE-CRYSTALS; MULTIFERROICS;

D O I：

10.1103/PhysRevB.83.180417

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A giant magnetoelectric polarization is found in HoAl3(BO3)(4). The polarization in transverse field geometry at 70 kOe reaches 3600 mu C/m(2), which is significantly higher than reported values of linear magnetoelectric or even multiferroic compounds. The magnetostrictive effect is also measured and compared with the magnetoelectricity. The results show that spin-lattice coupling in HoAl3(BO3)(4) is extremely strong and that the magnetic field causes a large polar distortion of the ionic positions in the unit cell.

引用

页数：4

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