Multiferroic properties and ferroelectric domain structures of Yb-doped BiFeO3 thin films on glass substrates

被引：16
作者：
Ahn, Yoonho [1 ]
Son, Jong Yeog [2 ,3 ]
机构：
[1] Korea Univ Technol & Educ, Sch Liberal Arts, Cheonan 31253, South Korea
[2] Kyung Hee Univ, Dept Appl Phys, Yongin 17104, South Korea
[3] Kyung Hee Univ, Inst Nat Sci, Yongin 17104, South Korea
来源：
PHYSICA B-CONDENSED MATTER | 2019年 / 558卷
基金：
新加坡国家研究基金会;
关键词：
BiFeO3; Thin film; Yb doping; Multiferroic properties; Ferroelectric domain;
D O I：
10.1016/j.physb.2019.01.029
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We investigated the growth characteristics and multiferroic properties of BiFeO3 (BFO) and Yb-doped BiFeO3 (Bi0.85Yb0.15FeO3, YBFO) thin films grown on Pt/Ta/glass substrates. X-ray diffraction experiments showed that both BFO and YBFO thin films had preferentially (111)-oriented polycrystalline structures. Yb doping of BFO thin films led to enhanced multiferroic properties in terms of the ferroelectricity (remanent polarization of about 41.5 mu C/cm(2)) and ferromagnetism (remanent magnetization of about 1.91 emu/cm(3)). According to piezo response force microscopy experiments, the YBFO thin films possessed larger ferroelectric domain structures than the BFO thin films due to the higher domain wall energy of the YBFO thin films.
引用
收藏
页码：24 / 27
页数：4
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