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Magnetization reversal mechanisms in colloidal dispersions of magnetite particles
González-Miranda, J. M. (Jesús Manuel); Montero, M. I.; Lopez-Perez, J. A.; Mira, J.; Lopez-Quintela, M. A.; Rivas, J.; Batlle Gelabert, Xavier; Labarta, Amílcar
Universitat de Barcelona
We have studied the structural and magnetic properties of colloids consisting of different concentrations of magnetite particles dispersed in kerosene. Our data for the temperature dependence of the low field magnetization and the saturation coercive force of the samples evidenced the occurrence, in different temperature ranges, of Neel- and Brown-type relaxation processes whose characteristics were largely influenced by strong dipolar interparticle interactions.
2010-05-04
Propietats magnètiques
Compostos de ferro
Relaxació magnètica
Magnetisme
Magnetic properties
Iron compounds
Magnetic relaxation
Magnetism
(c) IEEE, 1998
Article
IEEE
         

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