Magneto-optical Faraday activity in transparent FeCo-sepiolite/polystyrene nanocomposites

FeCo nanoparticles synthesized on sepiolite microparticles were used for the preparation of nanocomposites by melt compounding with polystyrene. Both, the sepiolite fibers and the nanoparticles were free of agglomeration, which allowed preparing nanocomposites with a homogeneous dispersion of the se...

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Veröffentlicht in:Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology 2013-12, Vol.15 (12), p.1-6, Article 2119
Hauptverfasser: Fernández-García, L., Pecharromán, C., Esteban-Cubillo, A., Tiemblo, P., García, N., Menéndez, J. L.
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container_issue 12
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container_title Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology
container_volume 15
creator Fernández-García, L.
Pecharromán, C.
Esteban-Cubillo, A.
Tiemblo, P.
García, N.
Menéndez, J. L.
description FeCo nanoparticles synthesized on sepiolite microparticles were used for the preparation of nanocomposites by melt compounding with polystyrene. Both, the sepiolite fibers and the nanoparticles were free of agglomeration, which allowed preparing nanocomposites with a homogeneous dispersion of the second phases, avoiding the usual agglomeration of the nanoparticles and minimizing light scattering. As a consequence, transparent composites with a high magnetic susceptibility have been obtained. The magneto-optical Faraday activity of these nanocomposites has been studied, finding saturation rotations over 200 rad·m −1 in the visible range. The processing route presented in this work can be easily transferred to industry and allows preparing polymer matrix nanocomposites with no restriction on shape or size and opens the possibility of developing other highly transparent polymer-based nanocomposites.
doi_str_mv 10.1007/s11051-013-2119-y
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source Springer Nature - Complete Springer Journals
subjects Agglomeration
Characterization and Evaluation of Materials
Chemistry and Materials Science
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fullerenes and related materials
Inorganic Chemistry
Lasers
Light scattering
Magnetic properties and materials
Materials Science
Methods of nanofabrication
Nanocrystalline materials
Nanoparticles
Nanoscale materials and structures: fabrication and characterization
Nanotechnology
Optical Devices
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optics
Photonics
Physical Chemistry
Physics
Polymers
Research Paper
Small particles and nanoscale materials
Studies of specific magnetic materials
Visible and ultraviolet spectra
title Magneto-optical Faraday activity in transparent FeCo-sepiolite/polystyrene nanocomposites
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