Three-dimensional phases-connectivity and strong magnetoelectric response of self-assembled feather-like CoFe2O4-BaTiO3 nanostructures

被引：24

作者：

Deng, Yu ^{[1
,2
,4
]}

Zhou, Jianxin ^{[3
]}

Wu, Di ^{[2
,4
]}

Du, Yulei ^{[5
]}

Zhang, Mingsheng ^{[1
,2
,4
]}

Wang, Dunhui ^{[2
,4
]}

Yu, Huiqiang ^{[1
,2
]}

Tang, Shaolong ^{[2
,4
]}

Du, Youwei ^{[2
,4
]}

机构：

[1] Nanjing Univ, Ctr Mat Anal, Nanjing 210093, Peoples R China

[2] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[3] Nanjing Univ Aeronaut & Astronaut, Inst Nano Sci, Nanjing 210016, Peoples R China

[4] Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China

[5] Nanjing Univ Sci & Technol, Dept Mat Sci & Engn, Nanjing 210094, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2010年 / 496卷 / 4-6期

基金：

中国国家自然科学基金;

关键词：

COMPOSITES; TITANATE;

D O I：

10.1016/j.cplett.2010.07.048

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Magnetoelectric (ME) (CoFe2O4)(0.3)-(BaTiO3)(0.7) (CFO-BTO) nanostructures have been synthesized by a combinative using of hydrothermal reaction and polymer-assisted deposition. The feather-like nanostructures have an average diameter of 250 nm and lengths up to 5 mu m, with the single-crystal CFO nanopillars embedded in the BTO matrix. The CFO-BTO nanostructures exhibit good ferromagnetic and ferroelectric properties, as well as a large ME coefficient of 51.8 mV/cm Oe. A model has been proposed to explain the three-dimensional phases-connectivity of the nanostructures. And it is suggested that the novel type of phases-connectivity greatly promote the ME response. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：301 / 305

页数：5

共 47 条

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