The Structure and Magnetic Properties Metal-carbon Nanocomposites FeCo / C on Based of Polyacrylonitrile
| Автори | L.V. Kozhitov1 , D.G. Muratov1,2 , V.G. Kostishin1 , A.G. Savchenko1 , I.V. Schetinin1 , V.A. Tarala3, A.V. Popkova1 , L.M. Chervjakov4 |
| Приналежність | 1 National University of Science and Technology «MISiS», 4, Leninsky Pr., 119049 Moscow, Russia 2 A.V. Topchiev Institute of Petrochemical Synthesis, RAS, 29, Leninsky Pr., 119991 Moscow, Russia 3 Astrakhan State University, 20a, Tatischev Str., 414056 Astrakhan, Russia 4 Southwest State University, 94, 50 let Oktyabrya Str., 305040 Kursk, Russia |
| Е-mail | |
| Випуск | Том 6, Рік 2014, Номер 3 |
| Дати | Одержано 19.05.2014, опубліковано online - 15.07.2014 |
| Посилання | L.V. Kozhitov, D.G. Muratov, V.G. Kostishin, et al., J. Nano- Electron. Phys. 6 No 3, 03039 (2014) |
| DOI | |
| PACS Number(s) | 75.50.Bb, 81.05.Zx |
| Ключові слова | Metal-carbon nanocomposites (6) , Nanoparticles FeCo (3) , Raman-spectroscopy, Saturation magnetization (5) , Infrared heating (3) . |
| Анотація | 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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