Composites based on nanosized highly exfoliated graphite / Fedorov V.E., Pirogov A.N., Skryabin Y.N., Teplykh A.E., Makotchenko V.G., Grayfer E.D., Kim S.J. // ECCM 2012 - Composites at Venice, Proceedings of the 15th European Conference on Composite Materials. - 2012. - V. , l. .

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Type:
Conference Paper
Abstract:
Composites of highly exfoliated graphite (HEG) with iron, cobalt, nickel, manganese and their several compounds have been prepared and studied by X-ray and neutron diffraction. Metal phases that are not observed for the bulk metals at room temperature were found in the prepared composites. The HEG-Co composite contained two phases: one of them was thermodynamically stable hexagonal phase and the other was a cubic phase, which is observed in bulk Co-samples only at ≥ 693 K. For the HEG-Mn composite, even three high-temperature phases were registered. It is suggested that phase transition temperature should be fallen significantly due to the low size of the composite components and their interaction. Magnetic properties of the composites are roughly identical to their bulk counterparts.
Author keywords:
Exfoliated graphite; Magnetic composites; Magnetization; Size effect
Index keywords:
Composite materials; Magnetization; Manganese; Manganese compounds; Neutron diffraction; Composite components; Exfoliated graphite; High-temperature phasis; Magnetic composites; Room temperature; Size
DOI:
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-84903975806&partnerID=40&md5=88d583d4de32b32a5d82fda47cfa4492
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Link https://www.scopus.com/inward/record.uri?eid=2-s2.0-84903975806&partnerID=40&md5=88d583d4de32b32a5d82fda47cfa4492
Affiliations Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Acad. Lavrentiev Ave., 3, Novosibirsk 630090, Russian Federation; Institute of Metal Physics, Ural Division, Russian Academy of Sciences, S. Kovalevskoy str. 18, Ekaterinburg, 620990, Russian Federation; Department of Chemistry and Nanoscience, Ewha Womans University, 11-1 Daehyun-dong, Seodaemun-gu, Seoul 120750, South Korea
Author Keywords Exfoliated graphite; Magnetic composites; Magnetization; Size effect
References Geim, A.K., Novoselov, K.S., The rise of graphene (2007) Nat. Mater., 6, pp. 183-191; Grayfer, E.D., Makotchenko, V.G., Nazarov, A.S., Kim, S.-J., Fedorov, V.E., Graphene: Chemical approaches to the synthesis and modification (2011) Russ. Chem. Rev., 80, pp. 784-804; Rao, C.N.R., Sood, A.K., Voggu, R., Subrahmanyam, K.S., Some novel attributes of graphene (2010) J. Phys. Chem. Lett., 1, pp. 572-580; Kamat, P.V., Graphene-based nanoarchitectures. Anchoring semiconductor and metal nanoparticles on a two-dimensional carbon support (2010) J. Phys. Chem. Lett., 1, pp. 520-527; Bai, H., Li, C., Shi, G., Functional composite materials based on chemically converted graphene (2011) Adv. Mater., 23, pp. 1089-1115; Huang, X., Qi, X., Boey, F., Zhang, H., Graphene-based composites (2012) Chem. Soc. Rev., 41, pp. 666-686; Bai, S., Shen, X., Graphene-inorganic nanocomposites (2012) RSC Advances, 2, pp. 64-98; Machado, B.F., Serp, P., Graphene-based materials for catalysis (2012) Catalysis Science & Technology, 2, pp. 54-75; Warner, J.H., Rummeli, M.H., Bachmatiuk, A., Wilson, M., Buchner, B., Examining co-based nanocrystals on graphene using low-voltage aberration-corrected transmission electron microscopy (2009) ACS Nano, 4, pp. 470-476; Yang, S., Cui, G., Pang, S., Cao, Q., Kolb, U., Feng, X., Maier, J., Mullen, K., Fabrication of cobalt and cobalt oxide/graphene composites: Towards high-performance anode materials for lithium ion batteries (2010) ChemSusChem, 3, pp. 236-239; Das, B., Choudhury, B., Gomathi, A., Manna, A.K., Pati, S.K., Rao, C.N.R., Interaction of inorganic nanoparticles with graphene (2011) ChemPhysChem, 12, pp. 937-943; Teplykh, A.E., Bogdanov, S.G., Dorofeev, Y.A., Pirogov, A.N., Skryabin, Y.N., Makotchenko, V.G., Nazarov, A.S., Fedorov, V.E., Structural state of expanded graphite, prepared from intercalation compounds (2006) Crystallogr. Rep., 51, pp. s62-s66; Makotchenko, V.G., Grayfer, E.D., Nazarov, A.S., Kim, S.-J., Fedorov, V.E., The synthesis and properties of highly exfoliated graphites from fluorinated graphite intercalation compounds (2011) Carbon, 49, pp. 3233-3241
Sponsors Alenia Aermacchi;DIAB;et al.;Instron;MTS;Netzsch
Publisher European Conference on Composite Materials, ECCM
Conference name 15th European Conference on Composite Materials: Composites at Venice, ECCM 2012
Conference date 24 June 2012 through 28 June 2012
Conference location Venice
Conference code 106145
ISBN 9788888785332
Language of Original Document English
Abbreviated Source Title ECCM - Compos. Venice, Proc. Eur. Conf. Compos. Mater.
Source Scopus