Incommensurate magnetic structure in the orthorhombic perovskite ErMnO3

被引：51

作者：

Ye, F. ^{[1
]}

Lorenz, B.

Huang, Q.

Wang, Y. Q.

Sun, Y. Y.

Chu, C. W.

Fernandez-Baca, J. A.

Dai, Pengcheng

Mook, H. A.

机构：

[1] Oak Ridge Natl Lab, Neutron Scattering Sci Div, Oak Ridge, TN 37831 USA

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

[3] Univ Houston, TCSUH, Houston, TX 77204 USA

[4] Natl Inst Stand & Technol, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA

[5] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA

来源：

PHYSICAL REVIEW B | 2007年 / 76卷 / 06期

关键词：

MULTIFERROICS; HO; ER;

D O I：

10.1103/PhysRevB.76.060402

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

By combining dielectric, specific heat, and magnetization measurements and high-resolution neutron powder diffraction, we have investigated the thermodynamic and magnetic and structural properties of the metastable orthorhombic perovskite ErMnO3 prepared by high-pressure synthesis. The system becomes antiferromagnetically correlated below 42 K and undergoes a lock-in transition at 28 K with propagation wave vector (0,k(b),0), which remains incommensurate at low temperature. The intercorrelation between the magnetic structure and electric properties and the role of the rare earth moment are discussed.

引用

页数：4

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