Magnetoelectric effect in layered composites with arc shape

被引：10
|
作者：
Bi Ke [1 ]
Wu Wei [1 ]
Wang Yin-Gang [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 210016, Peoples R China
来源：
CHINESE PHYSICS B | 2011年 / 20卷 / 06期
关键词：
magnetoelectric; arc-shaped; electroless deposition; resonance frequency; AB-INITIO;
D O I：
10.1088/1674-1056/20/6/067503
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Magnetoelectric (ME) layered Ni/PZT/Ni composites with arc shape have been prepared by using electroless deposition. The ME effect is measured by applying both constant and alternating magnetic fields in longitudinal and transverse directions. The longitudinal ME voltage coefficient is much larger than the transverse one. With the increase of arc length or decrease of curvature, the resonance frequency of layered arc Ni/PZT/Ni composites gradually decreases, while the maximum of the ME voltage coefficient of the composites increases monotonously. The influence of the arc length and the curvature on ME coupling is discussed. The flat interface between the ferromagnetic and the piezoelectric phases in layered ME composites is believed to provide large ME voltage coefficient.
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页数：5
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