6.5. Recent advances in fabrication of magnetoelectric composites

The ME effect in ME composite is generated as a product property of the magnetostrictive effect (magnetic/mechanical effect) in the magnetic phase and the piezoelectric effect (mechanical/electric effect) in the piezoelectric phase. As a result, this two-phase composite material can be represented as (Nan, Bichurin, Dong, Viehland, & Srinivasan, 2008)

∂P∂H=αME=kceme

image (6.27)

where

em=∂S∂Hande=∂P∂S

image (6.28)

kc is the coupling factor (0 ≤ kc ≤ 1) between the two phases (Nan, 1993), αME is the ...

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