TITLE

Giant electric-field-induced magnetization in a magnetoelectric composite at high frequency

AUTHOR(S)
Jian-Ping Zhou; Yang-Yang Guo; Zengzhe Xi; Peng Liu; Shuyu Lin; Gang Liu; Huai-Wu Zhang
PUB. DATE
October 2008
SOURCE
Applied Physics Letters;10/13/2008, Vol. 93 Issue 15, p152501
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Electric-field-induced magnetization (EIM) characteristics are investigated in a small 0.68[Pb(Mg1/3Nb2/3)O3]0.32PbTiO3/Terfenol-D bilayered composite by using double coils in a wide frequency range of 10–700 kHz. The EIM behaviors are strongly dependent on driving electric field frequency, bias magnetic field, and angle θ between the bias magnetic field and polarization direction. The magnetoelectric coefficient at electromechanical resonance frequency of 185 kHz reaches up to 3.1×10-7 s/m, which is ∼60 times higher than the values at nonresonance frequency. The EIM variations with the bias magnetic field exhibit hysteresis, forming EIM hysteresis loops caused by the magnetostrictive hysteresis from Terfenol-D.
ACCESSION #
34984770

 

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