National Research University «MISiS»

L. V. Kozhitov, A. V. Kostikova

A. V. Topchev Petrochemical Synthesis Institute, Russian Academy of Sciences

V. V. Kozlov

South Research Center,Russian Academy of Sciences

V. A. Tarala

The structural features of a nanocomposite FeNi₃/C synthesized from a solution FeCl₃·6H₂O/NiCl₂·6H₂O/polyacrylonitrile (PAN)/dimethyl formamide (DMF) with CFe=CNi=5; 10; 20; 25 mas. % under an IR heating are studied by a combination scattering (CS), a scanning electron microscopy (SEM), and an X−ray phase analyses (XPA). It is determined that as the IR heating temperature grows from 500 to 700 °С, the FeNi₃ nanoparticle size increases from about 15 to 60 nm; amorphous, microcrystalline, and nanocrystalline graphite−like carbon phases (the halo in the XPA spectrum at 2θ ≈ 8÷32°) that are characterized by more intensive band D (ν =1340÷1358 cm⁻¹) than the band G (ν =1560÷1596 cm⁻¹) in the CS spectrum are formed; from the data of a SEM and a CS (the G peak, ν =1596 см⁻¹), the possibility of the graphene structure generation is suggested at 600 and 700 °С; the peak in the area of 1120 cm⁻¹ and the high intensity of the CS spectrum in the region of 1430—1480 cm⁻¹ reveal the formation of polymer−destruction intermediate products at the interface of nanoparticles FeNi.

1. Kozhitov, L. V. Tekhnologiya materialov mikro− i nanoelektroniki / L. V. Kozhitov, V. G. Kosushkin, V. V. Krapukhin, Yu. N. Parkhomenko − M. : MISiS, 2007. − 544 s.
2. Kozhitov, L. V. Sintez nanokompozita FeNi₃/C iz sistemy FeCl₃·6H₂O/NiCl₂·6H₂O/poliakrilonitril pri pomoshchi nagreva infrakrasnym izlucheniem / L. V. Kozhitov, A. V. Kostikova, V. V. Kozlov, V. I. Khursa // Izv. vuzov. Materialy elektron. tekhniki. − 2011. − № 3. − S. 48—52.

3 Pat. zayavka № 2011123750. Sposob polucheniya nanokompozita FeNi₃/pirolizovannyy poliakrilonitril / L. V. Kozhitov, A. V. Kostikova, V. V. Kozlov; 14.06.2011.
4. Zemtsov, L. M. Khimicheskie prevrashcheniya poliakrilonitrila pod deystviem nekogerentnogo infrakrasnogo izlucheniya / L. M. Zemtsov, G. P. Karpacheva // VMS. A. − 1994. − № 36. − C. 919—923.
5. Novakova, A. A. Uglerodnye nanostruktury, poluchennye na Fe—Ni katalizatore / A. A. Novakova, T. Yu. Kiseleva, Yu. V. Il'ina, B. P. Tarasov, V. E. Murodyan // Internat. Sci. J. for Alternative Energy and Ecology. − 2004. − № 3(11). − S. 37—43.
6. Kozlov, V. V. Nanocomposites based on carbon nanotubes and Cu(Ni) nanoparticles / V. V. Kozlov, G. P. Karpacheva, Yu. M. Korolev // XI Internat. Conf. «Hydrogenmaterials science and chemistry of carbon nanomaterials» (ICHMS’2009). − Kiev: AHEU, 2009. − P. 724—725.
7. Liu, X. G. Enhanced natural resonance and attenuation properties in superparamagnetic graphite−coated FeNi₃ nanocapsules / X. G. Liu, Z. Q. Ou, Z. Han, Z. G. Xie, Z. D. Zhang // Appl. Phys. − 2009. − V. 42. − P. 1—5.
8. Li, X. G. Preparation and magnetic properties of ultrafine particles of Fe−Ni / X. G. Li, A. Chiba, S. Takahashi // J. Magnetism and Magnetic Mater. − 1997. − V. 170. − P. 339—345.
9. Novotortsev, V. M. Obrazovanie letuchego karbonila medi pri poluchenii mednykh nanochastits v geterogennoy sisteme gidrat atsetata medi – poliakrilonitril pod deystviem IK−izlucheniya / V. M. Novotortsev, V. V. Kozlov, R. S. Borisov, Yu. M. Korolev, G. P. Karpacheva, L. V. Kozhitov // Zhurn. neorgan. khimii. − 2010. − T. 55, № 5. − S. 808—811.
10. Kozlov, V. V. Ctrukturnye prevrashcheniya kompozita na osnove poliakrilonitrila i fullerena S₆₀ pod vozdeystviem IK−izlucheniya / V. V. Kozlov, Yu. M. Korolev, G. P. Karpacheva // Vysokomolekulyarnye soedineniya. − 1999. − T. 41, № 5. − S. 836—840.
11. Kozhitov, L. V. Novel metal−carbon nanocomposites and carbon nanocrystalline material obtained under IR heating of polymers / L. V. Kozhitov, V. V. Kozlov // IX Internat. scientific conf. «Solid state chemistry: monocrystals, nanomaterials, and nanotechnologies». − Kislovodsk; Stavropol : NCSTU, 2009. − P. 41—55.
12. May, P. W. Microcrystalline, nanocrystalline and ultrananocrystalline diamond CVD: experiment and modeling of the factors controlling growth rate, nucleation and crystal size / P. W. May, M. N. R. Ashfold // J. Appl. Phys. − 2007. − V. 101. − P. 053115.
13. Lee, Y.−C. Prenucleation techniques for enhancing nucleation density and adhesion of low temperature deposited ultra−nanocrystalline diamond / Y.−C. Lee, S.−J. Lin, C.−Y. Lin, M.−C. Yip, W. Fang, I.−N. Lin // Diamond and related materials. − 2006. − V. 15, N 11–12. − P. 2046—2050.
14. Kuilla, T. Resent advances in grapheme based polymer composites / T. Kuilla, S. Bhadra, D. Yao, N. H. Kim, S. Bose, J. H. Lee // Progress in Polymer Science. − 2010. − V. 35. − P. 1350—1375.
15. Ramammurti, R. Raman spectroscopy study of the influence of processing conditions on the structure of polycrystalline diamond films / R. Ramammurti, V. Shanov, R. N. Singh, S. Mamedov, P. Boolchand // J. Vacuum Sci. and Technology A: Vacuum, Surfaces and Films. − 2009. − V. 24, N 2. − P. 179—189.