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Electroactive influence of ferroelectric nanofillers on polyamide 11 matrix properties

Capsal, Jean-Fabien and Dantras, Eric and Dandurand, Jany and Lacabanne, Colette Electroactive influence of ferroelectric nanofillers on polyamide 11 matrix properties. (2007) Journal of Non-Crystalline Solids, vol. 353 (n° 47 - 51). pp. 4437-4442. ISSN 0022-3093

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Official URL: http://dx.doi.org/10.1016/j.jnoncrysol.2007.01.097

Abstract

Barium titanate ceramic powders have been incorporated in polyamide 11 to form homogeneous dispersion of particles in the matrix. Barium titanate/polyamide 11 nanocomposites have been synthesized using a solvent casting method with ultrasonic stirring to homogeneously disperse inclusions in the matrix. Composites with volume fraction of barium titanate / ranging from 0.01 to 0.4 were elaborated. Films were fabricated using a hot press method. Only the inclusions were poled in the matrix to form a ferroelectric particles/ unpoled matrix composite. Interactions between the particles and the matrix, pyroelectric and piezoelectric response were studied as a function of / by dynamic dielectric spectroscopy. Composites show interesting pyro-piezoelectric activity. Pyroelectric merit factor increases linearly and it reaches a limit value of 0.3 for a volume fraction / = 0.1.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Journal of Non-Crystalline Solids website : http://www.sciencedirect.com/science/journal/00223093
Audience (journal):International peer-reviewed journal
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Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
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Deposited By:Celine Cabaup

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