Enhanced multiferroic properties of single-phase BiFeO3 bulk ceramics by Ho doping

被引：163

作者：

Jeon, Nari ^{[1
]}

Rout, Dibyaranjan ^{[1
]}

Kim, Ill Won ^{[2
]}

Kang, Suk-Joong L. ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, Taejon 305701, South Korea

[2] Univ Ulsan, Dept Phys, Ulsan 680749, South Korea

来源：

APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 07期

关键词：

SUBSTITUTION;

D O I：

10.1063/1.3552682

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Dense single-phase BiFeO3 and Bi0.9Ho0.1FeO3 ceramics were prepared by the solid-state reaction method. With Ho doping, the remnant polarization of BiFeO3 was enhanced and the switching characteristics improved at low electric fields. Ho doping increased the breakdown voltage with a reduction of the leakage current while mitigating the remnant polarization at high electric fields. These results can explain conflicting findings regarding the effects of rare-earth doping on remnant polarization. Bi0.9Ho0.1FeO3 exhibited peculiar double hysteresis looplike magnetization-magnetic field curves with a much enhanced remnant magnetization. These improved properties obtained by Ho doping demonstrate the possibility of enhancing the multiferroic applicability of BiFeO3. (C) 2011 American Institute of Physics. [doi:10.1063/1.3552682]

引用

页数：3

共 31 条

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