Anisotropic magnetoelectric characteristics in five-layer magnetization-graded multiferroic composites | Zendy

Lei Chen | Zendy; Yao Wang | Zendy; Xianzhi Dai | Zendy; Zhigang Yang | Zendy

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Anisotropic magnetoelectric characteristics in five-layer magnetization-graded multiferroic composites

Author(s) -

Lei Chen,

Yao Wang,

Xianzhi Dai,

Zhigang Yang

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4975793

Subject(s) - demagnetizing field , materials science , anisotropy , multiferroics , magnetization , magnetic anisotropy , condensed matter physics , magnetic field , magnetoelectric effect , coupling (piping) , composite material , physics , optics , optoelectronics , dielectric , quantum mechanics , ferroelectricity

We investigate the anisotropicmagnetoelectric(ME) characteristics for the five-layermagnetization-graded multiferroic composites(MGMC). The magnetic anisotropy andcorresponding anisotropicmagnetomechanicaleffect,demagnetizationeffect and magneto-mechanical damping’s dependence on magnetic field directionresult in an obvious anisotropic ME coupling effect. The experimental results show that MEvoltage coefficient in H33 mode is remarkably larger than theother ones (H11, H31 andH13) over the whole Hdc range.Correspondingly, ∂VME/∂Hdc arrives about 420mV/Oeat an optimum bias magneticfield of 46Oe, which is approximately 40 times larger than that of theprevious reported composite. Furthermore, it also demonstrates an obvious angulardependence on dc magneticfield. Taking advantage of these specifications, the MGMC can be used todetect weak dc magneticfield and its spatial orientation

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