New nanocomposite materials with unique property combination

Ivan P. Dotsenko 3Gleb Yurkov 3Sergey P. Gubin 3Anatoliy T. Ponomarenko . 1Petr G. Dorofeev 1Vitaliy G. Shevchenko 1Denis A. Pankratov 2Dmitriy A. Astafiev 3Maxim S. Korobov 3Alexander S. Fionov 4

1. Enikolopov Institute Syntetic Polymeric Materials RAS (EISPM RAS), Profsojuznaja str.,70, Moscow 117393, Russian Federation
2. M.V. Lomonosov Moscow State University, Vorobyevy gory, Moscow 119992, Russian Federation
3. N.S. Kurnakov Institute of General and Inorganic Chemistry RAS (IGIC RAS), GSP-1, Leninskii prosp., 31, Moscow 1199911, Russian Federation
4. Institute of Radio Engineering and Electronics RAS (IRE RAS), Mokhovaya, 11, Moscow 125009, Russian Federation


Nowadays it is easily to suppose that the future progress in many branches of industry will be determined by the principal achievements in the creation of nanosized elements. Synthesis of new materials that at the same time combine different properties of components on the nanolevel is one of the most rapidly developing trends of up-to-date materials science. In this context, systems of nanoparticles embedded in various matrices are particularly promising. These materials have specific features and properties different from those of the bulk. For instance they can have other magnetic and electrophysical characteristics in various frequency ranges including microwave band.
In this work we demonstrate that it is possible to combine some properties typical only to polymers with the electrical conductivity and magnetization of metal-containing nanoparticles. Nanocomposite materials with wide range of concentrations of metal nanoparticles in polymer matrix were synthesized by high-speed thermal decomposition of metal-containing compounds in the solution-melt of polymer in the mineral oil. For characterization of composites we used the complex of different methods such as TEM, XRD methods and Mossbauer spectroscopy.
Cavity perturbation method of measuring of complex dielectric permittivity and magnetic permeability was applied to investigate microwave electrophysical properties of nanocomposites. The effects of the type of metal nanoparticles, their concentration in polymer matrix and phase ratio inside the particles on magnetic and dielectric permittivity and losses are presented.
This work was supported by the Russian Foundation for Basic Research (02-03-32435, 04-03-32090, 04-03-32311, 04-03-32597), ISTC (project no. 1991), Russian Science Support Foundation and the Russian Academy of Sciences through the basic research program Critical Issues in the Physics and Chemistry of Nanoscale Systems and Nanomaterials.

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Presentation: poster at E-MRS Fall Meeting 2004, Symposium I, by Ivan P. Dotsenko
See On-line Journal of E-MRS Fall Meeting 2004

Submitted: 2004-04-28 07:57
Revised:   2009-06-08 12:55
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