Room-temperature multiferroic properties of Bi4.15Nd0.85Ti3FeO15 thin films prepared by the metal-organic decomposition method

被引：26
|
作者：
Huang, Fengzhen [1 ]
Lu, Xiaomei [1 ]
Chen, Cong [1 ]
Lin, Weiwei [1 ]
Chen, Xiaochun [1 ]
Zhang, Junting [1 ]
Liu, Yunfei [1 ]
Zhu, Jinsong [1 ]
机构：
[1] Nanjing Univ, Dept Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
来源：
SOLID STATE COMMUNICATIONS | 2010年 / 150卷 / 35-36期
基金：
美国国家科学基金会;
关键词：
Thin films; Metal-organic decomposition; Multiferroic property; MAGNETIC-PROPERTIES; POLARIZATION; BI5FETI3O15; BI4TI3O12; FATIGUE; BIFEO3;
D O I：
10.1016/j.ssc.2010.06.032
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Aurivillius-structured Bi4.15Nd0.85Ti3FeO15 multiferroic thin films with four perovskite slabs were deposited on Pt/Ti/SiO2/Si substrates by the metal-organic decomposition method. The structural, dielectric and multiferroic properties of the films were investigated. Good ferroelectric behavior along with large dielectric constant and small loss factor were observed at room temperature. A weak ferromagnetic rather than an antiferromagnetic property was observed at room temperature by magnetic measurement. Moreover, the ferromagnetic property was enhanced when the temperature was below 13 K and a large saturation magnetization of about 5.4 emu/cm(3) was obtained at 4 K. Possible reasons are put forward to discuss the complicated magnetic property. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1646 / 1649
页数：4
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