Raman scattering study of multiferroic BiFeO3 single crystal

被引：180

作者：

Fukumura, H. ^{[1
]}

Harima, H.

Kisoda, K.

Tamada, M.

Noguchi, Y.

Miyayama, M.

机构：

[1] Kyoto Inst Technol, Dept Elect & Informat Sci, Kyoto 6068585, Japan

[2] Wakayama Univ, Dept Phys, Wakayama 6408510, Japan

[3] Univ Tokyo, Res Ctr Adv Sci & Technol, Tokyo 1538904, Japan

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 310卷 / 02期

关键词：

multiferroics; BiFeO3; raman scattering;

D O I：

10.1016/j.jmmm.2006.10.282

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Raman scattering spectra of bulk BiFeO3 single crystals have been measured in the temperature range of 4-1200 K. All Raman active phonon modes predicted by the group theory were observed at 4 K and assigned by a polarized measurement. Moreover, we have found drastic changes of Raman spectra at 600-700 and 1000-1100 K. These changes were discussed in combination with magnetic ordering and structural phase transition. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：E367 / E369

页数：3

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