MULTICERAL - Multifunctional ceramic layers with high electromagnetoelastic coupling in complex geometries

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Project Details

Start date
2006-11-01
End date
2009-10-31
Extended date
2010-04-30
%
Acronym
MULTICERAL
Reference
32616
Funding
European Comission
Programme
FP6-NMP
Budget
2.241.349 €
Our budget
416.000 €

Team

Description

MULTICERALis a joint effort of eight European research institutions/universities from six countries (UK, Germany, France, Portugal, Slovenia, Lithuania) aimed at the development, detailed characterization, and evaluation of novel multifunctional thin-film materials based on ferroelectrics [Pb(Zr,Ti)O3, BaTiO3, SrBi2Ta2O9], magnetics and shape memory alloys (SMA) (Ni2MnGa, BiFeO3), and relaxors [PbMg1/3Nb2/3O3, Ba(Ti,Zr)O3] assembled in complex geometries. These include planar films and multi-layers, hybrid sol-gel composites, and vertically assembled tube and nanowire arrays. We expect that such geometries will greatly enhance the cross coupling between magnetic, electric, and elastic T-dependent properties and give rise to unrivaled multi-functionalities unavailable so far. For example, the microactuator based on ferromagnetic shape memory alloy/piezoelectric bilayer will respond to electric/magnetic/stress fields while exhibiting two-way shape memory effect. Another example is magnetically tuned capacitor wit h giant magneto-dielectric coupling based on magnetic/piezoelectric multi-layers. At least two prototype devices based on the high cross-coupling effects will be fabricated/tested in this project proving the proposed concepts.

The variety of the available de position techniques combined with using advanced characterization tools will ensure that the desired thin film geometries will be assembled with minimum cross-contamination, non-stoichiometry and defect formation. These efforts will be supported by the extensive modelling activities aimed at the elucidation of the nature of magneto-electroelastic coupling in thin films, calculation of the effect of curved geometries on cross-coupling effects, and influence of disorder and long-range interactions on the properties of multi-layers and magnetic/ferroelectric domain patterns. Finite element calculations will be performed once the physical mechanism of the relevant coupling effect is clarified.

Coordinator

Andrei Kholkin

Coordination

Universidade de Aveiro (UA)

Partners

CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE; United Kingdom; INSTITUT JOZEF STEFAN (J. STEFAN INSTITUTE); Slovenia; UNIVERSITAET DUISBURG-ESSEN (UNIVERSITY OF DUISBURG-ESSEN); Germany; CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE; France; VILNIAUS UNIVERSITETAS (VILNIUS UNIVERSITY); Lithuania; OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALES'; France; UNIVERSITÉ DE PICARDIE JULES VERNE (UNIVERSITY OF PICARDIE JULES VERNE); France

Groups

G2 - Photonic, Electronic and Magnetic Materials;

link

http://cordis.europa.eu/project/rcn/81343_en.html

Outputs

Sponsors

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