Study of magnetic interactions in a composite with a mixture of γ-Fe2O3 and CoFe2O4 nanoparticles

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Abstract

We studied magnetic interactions in promising biomedical composites based on a piezoactive PVDF matrix with a mixture of soft magnetic γ-Fe2O3 (FO) and hard magnetic CoFe2O4 (CFO) nanoparticles by conducting IRM-DCD and FORC analyses. It was determined that the addition of a mixture of soft and hard magnetic nanoparticles to the polymer base of the composite leads to an increase in the magnetic interaction fields ΔHu from ≈1300 to ≈1500 Oe and to the formation of two main magnetic phases in the composite.

About the authors

V. G Kolesnikova

Immanuel Kant Baltic Federal University

Email: VGKolesnikova1@kamiana.ru
Kaliningrad, Russia

V. D Salnikov

Immanuel Kant Baltic Federal University

Kaliningrad, Russia

A. S Omelyanchik

Immanuel Kant Baltic Federal University

Kaliningrad, Russia

V. V Rodionova

Immanuel Kant Baltic Federal University

Kaliningrad, Russia

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