The Structure and Magnetic Properties Metal-carbon Nanocomposites FeCo / C on Based of Polyacrylonitrile
For the first time in the conditions of the IR pyrolysis precursor based on polyacrylonitrile, cobalt acetate and acetylacetonate iron (ratio of metals in precursors Fe : Co = 3 : 1) metal-carbon nanocomposites have been obtained, which are carbon matrix with graphite-like structure, containing buri...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Sumy State University
2014-07-01
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| Series: | Журнал нано- та електронної фізики |
| Subjects: | |
| Online Access: | http://jnep.sumdu.edu.ua/download/numbers/2014/3/articles/jnep_2014_V6_03039.pdf |
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| Summary: | For the first time in the conditions of the IR pyrolysis precursor based on polyacrylonitrile, cobalt acetate and acetylacetonate iron (ratio of metals in precursors Fe : Co = 3 : 1) metal-carbon nanocomposites have been obtained, which are carbon matrix with graphite-like structure, containing buried her nanoparticles of intermetallids of FeCo. It is shown that the phase formation FeCo occurs in the temperature range of obtaining 500-600 degrees centigrade, at T ≤ 500 degrees centigrade are only two distinct phases metals: HCC-With and BCC Fe. In the structure of nanocomposites obtained at T ≥ 600 degrees centigrade, at the same time there are nanoparticles of intermetallides and FeCo little content phase fсс-Co or solid solution of cobalt. It is determined that the composition of a metal component nanocomposite satisfies the ratio of Fe, Co, originally specified. |
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| ISSN: | 2077-6772 |