Room-temperature magnetic studies of La-modified BiFeO3 ceramic

被引：42
|
作者：
Sen, K. [1 ]
Thakur, Sangeeta [1 ]
Singh, K. [1 ]
Gautam, Ashish [1 ]
Singh, M. [1 ]
机构：
[1] Himachal Pradesh Univ, Dept Phys, Shimla 5, India
来源：
MATERIALS LETTERS | 2011年 / 65卷 / 12期
关键词：
Ceramic; Solution combustion method; Saturation magnetization; Magnetic studies; Neel temperature; Mossbauer spectroscopy;
D O I：
10.1016/j.matlet.2011.03.043
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetic studies of La-modified BiFeO3 ceramic with x = 0.0, 0.20 and 0.25 synthesized by solution combustion method are reported. X-ray diffraction, Differential scanning calorimetry and Vibrating sample magnetometer are used to characterize the powder samples. La substitution for Bi in BiFeO3 ceramic increased the Room-temperature saturation magnetization (M-s) and remanent magnetization (M-r). Mossbauer spectroscopy confirmed the presence of single-phase material for the doped compositions. A significant enhancement of antiferromagnetic Neel temperature T-N and saturation magnetization M-s for x = 0.25 sample is observed as compared to BiFeO3. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1963 / 1965
页数：3
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