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Particle size and density control in magnetic polymer nanocomposites

Published online by Cambridge University Press:  01 February 2011

Angel Millan ,
Fernando Palacio ,
Andrea Falqui ,
Snoeck Etienne  and
Virginie Serin
Angel Millan
Affiliation:
Instituto de Ciencia de Materiales de Aragón, CSIC-Universidad de Zaragoza, Facultad de Ciencias, Pza. San Francisco s/n, 50009 Zaragoza, Spain
Fernando Palacio
Affiliation:
Instituto de Ciencia de Materiales de Aragón, CSIC-Universidad de Zaragoza, Facultad de Ciencias, Pza. San Francisco s/n, 50009 Zaragoza, Spain
Andrea Falqui
Affiliation:
CEMES-CNRS, 29 rue Jeanne Marvig, F-31055 Toulouse Cedex
Snoeck Etienne
Affiliation:
CEMES-CNRS, 29 rue Jeanne Marvig, F-31055 Toulouse Cedex
Virginie Serin
Affiliation:
CEMES-CNRS, 29 rue Jeanne Marvig, F-31055 Toulouse Cedex
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Abstract

Magnetic nanocomposites formed by metal oxide nanoparticles and organic polymers can be produced from a polymer-metal ion complex material by a soft thermal treatment. With only slight variations in the preparation procedure it is possible to obtain: 1) different iron oxide phases, e.g., hematite (antiferromagnetic), goethite and akaganeite (both canted antiferromagnets), and maghemite (ferrimagnetic); 2) nanocomposites with a different particle size, in a range from 2 nm to 20 nm; and 3) different particle density. In this contribution the preparation and properties of maghemite nanoparticles in polyvinyl pyridine composites are reported.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 733: Symposium T – Polymer Nanocomposites , 2002 , T5.2
Copyright
Copyright © Materials Research Society 2002

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