NDLI: Magnetic and Conducting Properties of Composites of Conducting Polymers and Ferrite Nanoparticles

Content Provider	IEEE Xplore Digital Library
Author	Munoz Resta, I. Horwitz, G. Mendez Elizalde, M.L. Jorge, G.A. Molina, F.V. Soledad Antonel, P.
Copyright Year	1965
Abstract	Composites of ferromagnetic CoFe₂O₄ nanoparticles and two conducting polymers (polyethylenedioxythiophene-PEDOT- and polypyrrole-Ppy-) were prepared and characterized. Both syntheses were performed by monomer polymerization in presence of a dispersion of the magnetic nanoparticles, at different monomer: CoFe₂O₄ molar ratios. For PPy-composites, both the coercive field and the applied field required to reach the maximum magnetization decrease as the polymer content increases. For PEDOT-composites, the remanence ratio increases as the polymer content increases, indicating the presence of interactions related to the amount of polymer present. Electrical conductivity measurements indicate that, for both types of composites, a high polymer content gives rise to high electrical conductivity. These results indicate that the composite properties can be modulated by varying the polymer identity and the monomer: CoFe₂O₄ molar ratio.
Sponsorship	IEEE Magnetics Society
Starting Page	4598
Ending Page	4601
Page Count	4
File Size	1287471
File Format	PDF
ISSN	00189464
Volume Number	49
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Plastics Nanoparticles Polymers Conductivity Magnetic properties Magnetization Nanocomposites magnetic nanoparticles Conducting materials ferrites magnetic analysis
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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