Orbital ordering and enhanced magnetic frustration of strained BiMnO3 thin films

被引：46
|
作者：
Yang, CH [1 ]
Koo, TY
Lee, SH
Song, C
Lee, KB
Jeong, YH
机构：
[1] Pohang Univ Sci & Technol, Dept Phys, Pohang 790784, South Korea
[2] Pohang Univ Sci & Technol, Electron Spin Sci Ctr, Pohang 790784, South Korea
[3] Pohang Univ Sci & Technol, Pohang Accelerator Lab, Pohang 790784, South Korea
来源：
EUROPHYSICS LETTERS | 2006年 / 74卷 / 02期
关键词：
D O I：
10.1209/epl/i2005-10540-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Epitaxial thin films of multiferroic perovskite BiMnO3 were synthesized on SrTiO3 substrates, and orbital ordering and magnetic properties of the thin films were investigated. The ordering of the Mn3+ e(g) orbitals at a wave vector (1/4 1/4 1/4) was detected by Mn K-edge resonant X-rayscattering. This peculiar orbital order inherently contains magnetic frustration. While bulk BiMnO3 is known to exhibit simple ferromagnetism, the frustration enhanced by in-plane compressive strains in the films brings about cluster-glass-like properties.
引用
收藏
页码：348 / 354
页数：7
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