EPJ Web Conf.
Volume 185, 2018Moscow International Symposium on Magnetism (MISM 2017)
|Number of page(s)||4|
|Published online||04 July 2018|
Magnetic properties of poly(p-xylylene)-Ni nanocomposites
National Research Center "Kurchatov Institute", 123182 Moscow, Russia
2 N.S. Enikolopov Institute of Synthetic Polymer Materials RAS, 117393 Moscow, Russia
3 P.N. Lebedev Physical Institute RAS, 119991 Moscow, Russia
Published online: 4 July 2018
The dependence of electrical and magnetic properties on structure of thin poly(p-xylylene) - nickel nanocomposite films with Ni concentrations from 5 to 30 vol.% was studied. It was found that metal concentration strongly affects size and oxidation state of the nanoparticles. Effect of the filler content on electrical and magnetic properties of the nanocomposites was revealed. These properties are determined by percolation phenomenon, with the percolation threshold value of about 10 vol.%. The well pronounced magnetic hysteresis as well as ferromagnetic ordering were observed at Ni content above the percolation threshold. The diagrams of magnetic properties of these composites as a function of composition and temperature were elaborated.
© The Authors, published by EDP Sciences, 2018
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