Enhanced magnetization and improved leakage in Er-doped BiFeO3 nanoparticles

被引：44
|
作者：
Zhou, Hai-Feng [1 ,2 ]
Hou, Zhi-Ling [1 ,2 ]
Kong, Ling-Bao [1 ,2 ]
Jin, Hai-Bo [3 ]
Cao, Mao-Sheng [3 ]
Qi, Xin [1 ,2 ]
机构：
[1] Beijing Univ Chem Technol, Sch Sci, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, Beijing Key Lab Environm Harmful Chem Assessment, Beijing 100029, Peoples R China
[3] Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2013年 / 210卷 / 04期
基金：
中国国家自然科学基金;
关键词：
BiFeO3; doping; ferromagnetism; magnetization; nanoparticles; MULTIFERROIC PROPERTIES; ND; FERROMAGNETISM; LA;
D O I：
10.1002/pssa.201228693
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Pure and Er-doped BiFeO3 nanoparticles were prepared using a solgel method. The remanent magnetization was found to increase with increasing Er concentration. Due to the cocontribution of both the ferromagnetic coupling between Er3+ and Fe3+ ions and the suppression of spatial spin structure of BiFeO3, Er substitution is a more effective approach of enhanced magnetization than the other rare-earth (RE) element substitutions. The observed dielectric loss behavior in the doped sample indicated that the leakage current decreased due to the substitution with Er. The evidence of enhanced magnetization and improved leakage in Er-doped BiFeO3 at room temperature makes it a good candidate for potential applications.
引用
收藏
页码：809 / 813
页数：5
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