Orientation-Dependent Properties of CoFe2O4-Bi3.15Nd0.85Ti3O12 Bilayer Multiferroic Films Prepared by a Sol-Gel Method

被引：9
|
作者：
Zhang, Fuwei [1 ]
Yang, Feng [1 ,2 ]
Dong, Cuifang [1 ]
Liu, Xiaotong [1 ]
Nan, Huilin [1 ]
Wang, Yingying [1 ]
Zong, Zhihao [1 ]
Tang, Minghua [3 ]
机构：
[1] Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Peoples R China
[2] Univ Jinan, Key Lab Inorgan Funct Mat Univ Shandong, Jinan 250022, Peoples R China
[3] Hunan Prov Natl Def Key Lab Key Film Mat & Applic, Xiangtan 411105, Peoples R China
来源：
JOURNAL OF ELECTRONIC MATERIALS | 2015年 / 44卷 / 07期
基金：
中国国家自然科学基金;
关键词：
CoFe2O4-Bi3.15Nd0.85Ti3O12; multiferroic; bilayer films; orientation; sol-gel method;
D O I：
10.1007/s11664-015-3689-5
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Lead-free bilayer multiferroic films of CoFe2O4 (CFO) and oriented Bi3.15Nd0.85Ti3O12 (BNT) were deposited on a conventional Pt(111)/Ti/SiO2/Si(100) substrate by use of a sol-gel method. BNT layers with different preferred orientations were grown by use of different spinning and annealing processes. The ferroelectric, ferromagnetic, and magnetoelectric (ME) properties of the CFO-BNT bilayer thin films were investigated at room temperature. a-Axis-oriented bilayer films had larger ME voltage coefficients and larger converse ME response than c-axis-oriented films. This study shows that the orientation of the BNT layer has a stress-mediated interfacial effect which can substantially affect the magnetoelectric coupling behavior of the bilayer structures.
引用
收藏
页码：2348 / 2352
页数：5
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