A longitudinal-longitudinal mode TERFENOL-D/Pb(Mg1/3Nb2/3)O3–PbTiO3 laminate composite

Shuxiang Dong; Jie-Fang Li; Viehland, D.
November 2004
Applied Physics Letters;11/29/2004, Vol. 85 Issue 22, p5305
Academic Journal
We have found that laminates of longitudinally magnetized magnetostrictive TERFENOL-D layersand a longitudinally poled piezoelectric Pb(Mg1/3Nb2/3)O3-PbTiO3 crystal have a giant magnetoelectric voltage coefficient of >430 mV/Oe under a low magnetic bias. Under a resonant drive operation at a frequency of 82.1 kHz, the magnetoelectric coefficient was dramatically increased to ∼18.5 V/Oe. In addition, an ultrahigh magnetic field sensitivity of <10-11 T has been observed.


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