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Issue 108, 2016
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Synthesis of dense arrays of multiferroic CoFe2O4–PbZr0.52Ti0.48O3 core/shell nanocables

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Abstract

A major challenge in the development of efficient magnetoelectric nanocomposites is the adequate control of the interfaces, in order to avoid the formation of undesirable interphases and to ensure an optimal strain mediated coupling. In this work we used a combination of low-cost impregnation and electrodeposition processes within the ordered nanochannels of a porous anodic alumina template, to elaborate CoFe2O4–PbZr0.52Ti0.48O3 core/shell nanocable arrays with high interfacial areas between the ferroelectric and the magnetic phases. We have shown in this way that the thermal annealing steps required for phase's crystallization and oxidation of metallic CoFe2 into spinel CoFe2O4 are critical with respect to interdiffusion phenomena through the interfaces. The impact of the processing temperature on the morphological and structural features of the nanocables was then discussed. We demonstrated that an optimization of process variables in the synthesis of CoFe2O4–PbZr0.52Ti0.48O3 nanocables allows a significant improvement in their microstructure and ensures the chemical integrity of the two-phase materials, an important concern when seeking for enhanced multiferroic properties.

Graphical abstract: Synthesis of dense arrays of multiferroic CoFe2O4–PbZr0.52Ti0.48O3 core/shell nanocables

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Publication details

The article was received on 02 Aug 2016, accepted on 17 Oct 2016 and first published on 27 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA19548B
Citation: RSC Adv., 2016,6, 106716-106722
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    Synthesis of dense arrays of multiferroic CoFe2O4–PbZr0.52Ti0.48O3 core/shell nanocables

    D. Sallagoity, C. Elissalde, J. Majimel, M. Maglione, Vlad. A. Antohe, F. Abreu Araujo, P. M. Pereira de Sá, S. Basov and L. Piraux, RSC Adv., 2016, 6, 106716
    DOI: 10.1039/C6RA19548B

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