Dielectric, Magnetic and Magnetoelectric Properties of a Laminated Composite with 1-3 Connection

Abstract:

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A two-phase laminated composite was prepared by stacking one layer of thicknesspolarized 1−3 piezoelectric composite (PECP) plate between two layers of length-magnetized 1−3 magnetostrictive composite (MSCP) plates in the thickness direction. The PECP plate consisted of 0.68 volume-fraction PZT bars embedded in Spurr epoxy matrix, while the MSCP plates comprised 0.51 volume-fraction Terfenol-D particles embedded and magnetically aligned in Spurr epoxy matrix. The dielectric, magnetic and magnetoelectric properties of the laminate were measured as a function of both frequency and magnetic bias field. A giant magnetoelectric voltage coefficient ( αE) of 15.4 V/cm·Oe was observed at the resonance frequency of ~59 kHz under a relatively low bias field of 0.75 kOe. This resonance αE was ~30 times larger than its non-resonance values, showing promising application of the proposed laminate in magnetoelectric conversion devices.

Info:

Periodical:

Solid State Phenomena (Volume 111)

Edited by:

Cheng-Jun Sun, Jun Ding, Manoj Gupta, Gan-Moog Chow, Lynn Kurihara and Lawrence Kabacoff

Pages:

147-150

DOI:

10.4028/www.scientific.net/SSP.111.147

Citation:

S.W. Or and N. Cai, "Dielectric, Magnetic and Magnetoelectric Properties of a Laminated Composite with 1-3 Connection", Solid State Phenomena, Vol. 111, pp. 147-150, 2006

Online since:

April 2006

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$35.00

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