Low symmetry phase in (001) BiFeO3 epitaxial constrained thin films -: art. no. 182905

被引：131

作者：

Xu, GY ^{[1
]}

Hiraka, H

Shirane, G

Li, JF

Wang, JL

Viehland, D

机构：

[1] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[2] Virginia Tech, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA

来源：

APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 18期

关键词：

D O I：

10.1063/1.1924891

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The lattice of (001)-oriented BiFeO3 epitaxial thin film has been identified by synchrotron x-ray diffraction. By choosing proper scattering zones containing the fixed (001) reflection, we have shown that low-symmetry phases similar to a M-A phase exist in the thin film at room temperature. These results demonstrate a change in phase stability from rhombohedral in bulk single crystals, to a modified monoclinic structure in epitaxial thin films. 2005 American Institute of Physics.

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页码：1 / 3

页数：3

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