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2012-14 Multi Sensor IMHOTEP

Multiferroic nanostructure for multifunction sensors application 

Les   partenariats Hubert Curien (PHC) IMHOTEP s'inscrivent dans le cadre de la politique de soutien aux échanges scientifiques et technologiques internationaux du ministère des Affaires étrangères et européennes et sont mis en œuvre avec le soutien du ministère de l'Education nationale, de l'Enseignement supérieur et de la Recherche.

Participants:

Igor Lukyanchuk (coordinator), Mimoun EL MARSSI 
Laboratoire de Physique de la Matière Condensée
Université : Université de Picardie Jules Verne Amiens, France

Emad Girgis  (coordinator),  Inas Kamal Battisha
National Research Centre Giza, Egypt


The characteristic feature of the XXI century material science is the strong interpenetration of its subdivision, provided by the current High-Technology trend to explore the synergy of several smart properties of material having the different physical nature. Multiferroics is the emergent family of materials in which the ferroelectrics, magnetic and elastic order parameters are coupled together that permits e.g. to create the new generation of intelligent sensors in which the functional and reading cycles are provided by separated magnetic and electric circuits. Although the engineering of such devices requires the quite sophisticated technologies, the initial design and selection of the processing materials can be done on the background of the middle- and small scale high-experienced laboratories, including the relatively modest facilities of the Third Countries institutions. The adequate qualification of the permanent research staff, and important flux of highly-motivated early-stage researchers and students here is more important.

In the current Project we suppose to use the synergy of the LPMC - UPJV and Solid State Department of NRC to provide the optimal selection and fabrication of multiferroic-based ceramics, nano-composits, thin films and superlattices for the new generation of multifunctional sensors, having the remarkable (ideally giant) piezo-electro-magnetic response and the short relaxation time. The main challenges here are to conceive (i) tunable dielectric/ferroelectric/ferromagnetic structures and (ii) provide the sensors commanded either magnetical or/and electronically.

Collaboration will be structed in two interpenetrationg Work Packages (WPs)

WP1: Material design (coord. by NRC)
Using the facilities of NRC we suppose to synthesize nano-structured magnetoelectric Bi and BaTi - based oxides in the form ofpowder and thin film doped with well-dispersed transition elements by using sol-gel technique. In addition Bi and BaTi systems substituted with some magnetic transition elements such as (Ni, Fe and Co) will be studied by varying the amount of transition elements, to be applied as high storage energy materials. The magnetic properties of these samples and its dependence on the composition of dopant element concentrations will be reported using electron spin resonance (ESR) technique and vibrating sample magnetometer. Complete information about the  structure and the micro structural properties of the synthesized samples will be characterized by the available in LPMC-Amiens XRay  diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), and atomic force microscope (AFM).

WP2 Nano-geometry engineering (coord. by LPMC) Structuring of multiferroic materials into composite arrays of nano-roads and superlattices provides the opportunity to influence and amplify the effective resonant response of such a metamaterial by means of electric or magnetic field. The efficient solution of this task will be done, using facilities and experience of nano- engineering technologies available in LPMC-Amiens such as pulsed laser deposition (PLD) of nanostructures, structural characterization via Raman and electron microscopy techniques, simulation of domain-mediated cross-coupling effects in complex geometries. Using the ceramic target materials, produced by NRC-Giza we will produce the bi/multi layer structures based on the combinations of the promising materials e.g., PZT or BaTiO3 with BiFeO3 from which we expect the elevated cross-coupling effects through elastic coupling. Doing the experiments, involving PLD we shall provide the training for the partners from Giza (especially for students) in this modern nano-technology