Unconventional magnetic behavior of iron-oxide nanoparticles in polymeric matrices

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Title:	Unconventional magnetic behavior of iron-oxide nanoparticles in polymeric matrices
Author:	Testa, A. M.; Foglia, S.; Suber, L.; Fiorani, D.; Casas i Duocastella, Lluís; Roig i Serra, Anna; Molins i Grau, Elies; Greneche, J. M.; Tejada Palacios, Javier
Other authors:	Universitat de Barcelona
Abstract:	We report the results of magnetization and 57Fe Mössbauer spectroscopy measurements performed in the temperature range 5-300 K on composites containing iron¿oxide nanoparticles encased in polystyrene type resins. After carrying out a suitable field treatment in order to decouple the particles from the matrix, a fraction of the particles freely rotate in response to an applied magnetic field
Subject(s):	-Nanopartícules -Propietats magnètiques -Ciència dels materials -Òxid de ferro -Química organometàl·lica -Magnetic properties -Materials science -Ferric oxide -Organometallic chemistry
Rights:	Nanoparticles (c) American Institute of Physics, 2001
Document type:	Article Article - Published version
Published by:	American Institute of Physics
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