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Magnetic polymers of maghemite (γ-Fe2O3) and polyvinyl alcohol

✍ Scribed by Cecilia Albornoz; Elsa E. Sileo; Silvia E. Jacobo


Book ID
104079182
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
202 KB
Volume
354
Category
Article
ISSN
0921-4526

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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