The magnetic aging and magnetic interaction in Bi0.84La0.16Fe0.88Ti0.12O3 polycrystalline ceramic

被引：5
|
作者：
Ha, L. T. [1 ,2 ]
Xuan, C. T. A. [3 ]
Tan, P. M. [4 ]
Tho, P. T. [5 ]
机构：
[1] Ton Duc Thang Univ, Adv Inst Mat Sci, Ceram & Biomat Res Grp, Ho Chi Minh City, Vietnam
[2] Ton Duc Thang Univ, Fac Appl Sci, Ho Chi Minh City, Vietnam
[3] Duy Tan Univ, Inst Res & Dev, Da Nang 550000, Vietnam
[4] Thai Nguyen Univ Technol, Fac Fundamental Sci, Thai Nguyen, Vietnam
[5] Thai Nguyen Univ Sci, Dept Phys, Thai Nguyen, Vietnam
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2020年 / 516卷
关键词：
BiFeO3-based multiferroics; Spin frustration; Magnetic interaction; CRYSTAL-STRUCTURE; DOPED BI0.84LA0.16FEO3; EXCHANGE BIAS; BIFEO3; FERROMAGNETISM; TRANSITION; INTERFACE;
D O I：
10.1016/j.jmmm.2020.167333
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The magnetic aging is observed in Bi0.84La0.16Fe0.88Ti0.12O3 polycrystalline ceramic at the morphotropic phase boundary. The magnetic properties, including the magnetization and coercivity, undergo a drastic change over time. The magnetic aging is explained according to the spin frustration at the phase boundary (PB) induced by the competition in Gibbs free energy and lattice strain of the coexisting phase. The change in the spin state at the PB creates the ferromagnetic order, which in turn supports the magnetic interaction at the interface of antiferromagnetic (AFM)/ferromagnetic (FM)/AFM sandwich structure. The magnetic interaction is revealed in terms of the vertical hysteresis shift, exchange bias effect, and field step-dependent hysteresis loop.
引用
收藏
页数：5
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