中国物理B ›› 2011, Vol. 20 ›› Issue (6): 67503-067503.doi: 10.1088/1674-1056/20/6/067503

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇    下一篇

Magnetoelectric effect in layered composites with arc shape

毕科, 吴玮, 王寅岗   

  1. College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • 收稿日期:2010-11-09 修回日期:2011-01-17 出版日期:2011-06-15 发布日期:2011-06-15
  • 基金资助:
    Project supported by the Natural Science Foundation of Jiangsu Province of China (Grant No. BK2010505) and the Funding of Jiangsu Innovation Program for Graduate Education (Grant No. CX10B 099Z).

Magnetoelectric effect in layered composites with arc shape

Bi Ke (毕科), Wu Wei (吴玮), Wang Yin-Gang (王寅岗)   

  1. College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • Received:2010-11-09 Revised:2011-01-17 Online:2011-06-15 Published:2011-06-15
  • Supported by:
    Project supported by the Natural Science Foundation of Jiangsu Province of China (Grant No. BK2010505) and the Funding of Jiangsu Innovation Program for Graduate Education (Grant No. CX10B 099Z).

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.

Abstract: 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.

Key words: magnetoelectric, arc-shaped, electroless deposition, resonance frequency

中图分类号:  (Magnetoelectric effects, multiferroics)

  • 75.85.+t
75.80.+q (Magnetomechanical effects, magnetostriction) 77.65.Fs (Electromechanical resonance; quartz resonators)