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
收藏
页码：76 / 82
页数：7
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