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Magnetic behavior of aggregates of small γ-Fe2O3 particles

✍ Scribed by S. Koutani; G. Gavoille; R. Gérardin


Book ID
113317918
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
518 KB
Volume
123
Category
Article
ISSN
0304-8853

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The dynamical behavior of g-Fe 2 O 3 particles dispersed in a polymer have been investigated by a.c. susceptibility and Mo ¨ssbauer spectroscopy measurements. The effect of interparticle interactions on the relaxation time is satisfactorily described by a superparamagnetic model where the dipolar en