Magneto-structural study of the multiferroic BiFeo3-SrTiO3

被引：30

作者：

Vura, Sandeep ^{[1
]}

Kumar, P. S. Anil ^{[2
]}

Senyshyn, Anatoliy ^{[3
]}

Ranjan, Rajeev ^{[1
]}

机构：

[1] Indian Inst Sci, Dept Mat Engn, Bangalore 560012, Karnataka, India

[2] Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India

[3] Tech Univ Munich, Forsch Neutronenquelle Heinz Maier Leibnitz FRM 2, D-85747 Garching, Germany

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2014年 / 365卷

关键词：

Multiferroic; BiFeO3; Crystal structure; Phase transition; CRYSTAL-STRUCTURE; SUBSTITUTION; TRANSITION; ORDER;

D O I：

10.1016/j.jmmm.2014.04.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The structural and magnetic study of the pseudo-binary multiferroic (1 x)BiFeO3 (x)SrTiO3 has been investigated as a function of composition and temperature. In contrary to the previous studies, detailed examination revealed that the reported anomaly in the magnetization at x-0.30 does not occur at the composition induced rhombohedral-cubic phase boundary, but within the rhombohedral phase itself. The rhombohedral to cubic transition occurs at x > 0.4. Evidence of magneto-elastic coupling near the Neel temperature and nucleation-growth mode of the rhombohedral-cubic transformation, with both the phases coexisting over a range of temperature was found. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：76 / 82

页数：7

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