Using the Finite Element Method for the investigation of the magnetoelectric effect in laminar composites

Reference	Presenter	Authors (Institution)	Abstract
08-029	Daniel Matos Silva	Silva, D.M.(Maringá State University); Gaiotto, F.J.(Maringa State University); Pereira, J.R.(Maringa State University); Santos, I.A.(Maringa State University);	The growing demand for small and lightweight devices has led to a steady increase in the technology development, as well as conducted the industry to large investments in research efforts focusing compounds that provide multifunctional properties, i. e., for synthesizing and investigating materials that combine two or more properties in one single phase. Among them, piezoelectric and magnetostrictive materials, that when used as laminar composites present very interesting properties, such as extrinsic magnetoelectric response, have received special attention. This effect is interesting because it unites two well exploited physical properties, ferroelectricity and magnetism, and opens several opportunities for practical applications. In this contribution, the use of the finite element method to simulate the magnetoelectric response of magnetoelectric laminar composites, composed by TbxDy1-xFe2 (TERFENOL-D) and PbZrxTi1-xO3 (PZT) as magnetostrictive and piezoelectric layers is exploited. The simulations show that the extrinsic magnetoelectric behavior can be effectively and properly simulated with high reliability, leading to results very close to those obtained experimentally.
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