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Infrared heating mediated synthesis and characterization of FeCo/C nanocomposites

Karpenkov, Dmitriy Yu. and Muratov, Dmitriy G. and Kozitov, Lev V. and Skokov, Konstantin P. and Karpenkov, Alexey Yu. and Popkova, Alena V. and Gutfleisch, Oliver (2017):
Infrared heating mediated synthesis and characterization of FeCo/C nanocomposites.
In: Journal of Magnetism and Magnetic Materials, Elsevier Science Publishing, pp. 94-101, 429, ISSN 03048853,
[Online-Edition: http://doi.org/10.1016/j.jmmm.2017.01.008],
[Article]

Abstract

Metal-filled carbon nanocomposites containing 20 wt% of metallic FeCo nanoparticles were synthesized by means of infrared heating of precursors (polyacrylonitrile – iron acetylacetonate - cobalt acetate). This fabrication approach shows promise for making radiation-absorbent materials in short one-step process with ability to control the size of nanoparticles and attune the composition of the metallic components. In this work the magnetic behavior of reaction products obtained at different stages of the synthesis have been investigated in detail. We report on the influence of the annealing temperature on evolution of the structure, chemical composition, size, surface morphology, spontaneous magnetization and coercivity of the FeCo nanoparticles.

Item Type: Article
Erschienen: 2017
Creators: Karpenkov, Dmitriy Yu. and Muratov, Dmitriy G. and Kozitov, Lev V. and Skokov, Konstantin P. and Karpenkov, Alexey Yu. and Popkova, Alena V. and Gutfleisch, Oliver
Title: Infrared heating mediated synthesis and characterization of FeCo/C nanocomposites
Language: English
Abstract:

Metal-filled carbon nanocomposites containing 20 wt% of metallic FeCo nanoparticles were synthesized by means of infrared heating of precursors (polyacrylonitrile – iron acetylacetonate - cobalt acetate). This fabrication approach shows promise for making radiation-absorbent materials in short one-step process with ability to control the size of nanoparticles and attune the composition of the metallic components. In this work the magnetic behavior of reaction products obtained at different stages of the synthesis have been investigated in detail. We report on the influence of the annealing temperature on evolution of the structure, chemical composition, size, surface morphology, spontaneous magnetization and coercivity of the FeCo nanoparticles.

Journal or Publication Title: Journal of Magnetism and Magnetic Materials
Volume: 429
Publisher: Elsevier Science Publishing
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Functional Materials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 17 Mar 2017 08:47
Official URL: http://doi.org/10.1016/j.jmmm.2017.01.008
Identification Number: doi:10.1016/j.jmmm.2017.01.008
Funders: This work was supported by Russian Science Foundation Grant No. 15-12-10008., D. Karpenkov gratefully acknowledge the financial support of the Ministry of Education and Science of the Russian Federation in the framework of Increase Competitiveness Program of NUST «MISiS» (No K4-2015-013), RFBR 15–32-70002, and grant of the President of the Russian Federation No 14.Z56.15.3775-MK., K.P. Skokov and O. Gutfleisch acknowledge funding of the German federal state of Hessen through its excellence programme LOEWE “RESPONSE“., Popkova A.V. gratefully acknowledge of the scholarship of the President of Russian Federation No СП-3513.2016.1.
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