Characterization and magnetic properties of carbon-coated cobalt nanocapsules synthesized by the chemical vapor-condensation process

Carbon

Volumn 41, Issue 9, 2003, Pages 1751-1758

  Wang, Z H ^a,b   Choi, C J ^b   Kim, B K ^b   Kim, J C ^b   Zhang, Z D ^a  

^a INSTITUTE OF METAL RESEARCH   (China)

^b Korea Institute of Machine and Materials   (South Korea)

Author keywords

A. Carbon composites; B. Chemical vapor deposition; C. Transmission electron microscopy; D. Crystal structure, Magnetic properties

Indexed keywords

CARBON MONOXIDE; CHEMICAL VAPOR DEPOSITION; COBALT COMPOUNDS; CONDENSATION; CRYSTAL STRUCTURE; MAGNETIC PROPERTIES; SYNTHESIS (CHEMICAL); TRANSMISSION ELECTRON MICROSCOPY;

PRECURSORS;

CARBON CARBON COMPOSITES;

EID: 0038043489     PISSN: 00086223     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0008-6223(03)00127-1     Document Type: Article

References (21)

1. 60: Buckminsterfullerene. Nature. 318:(6042):1985;162-165.
2. 2 encapsulated in graphite nano-particle. Jpn. J. Appl. Phys. 32:(2B):1993;L280-L282.
3. Ruoff R.S., Lorents D.C., Chan B., Malhotra R., Subramoney S. Single crystal metals encapsulated in carbon nanoparticles. Science. 259:(5093):1993;346-348.
4. 3C particles synthesized by arc-discharge in methane. J. Mater. Sci. 33:(7):1998;1915-1919.
5. Dong X.L., Zhang Z.D., Zhao X.G., Chuang Y.C., Jin S.R., Sun W.M. Surface characterization and magnetic properties of ultrafine Fe-Ni(C) particles. J. Mater. Res. 14:(5):1999;1782-1790.
6. Dong X.L., Zhang Z.D., Chuang Y.C., Jin S.R. Characterization of ultrafine Fe-Co particles and FeCo(C) nanocapsules. Phys. Rev. B. 60:(5):1999;3017-3020.
7. Dong X.L., Zhang Z.D., Jin S.R., Kim B.H. Carbon-coated Fe-Co(C) nanocapsules prepared by arc discharge in methane. J. Appl. Phys. 86:(12):1999;6701-6707.
8. Zhang Z.D., Zheng J.G., Skorvanek I., Wen G.H., Kovac J., Wang F.W., Yu J.L., Li Z.J., Dong X.L., Jin S.R., Liu W., Zhang X.X. Shell/core structure and magnetic properties of carbon-coated Fe-Co(C) nanocapsules. J. Phys. Condens. Matter. 13:(9):2001;1921-1929.
9. Choi C.J., Dong X.L., Kim B.K. Characterization of Fe and Co nanoparticles synthesized by chemical vapor condensation. Scripta Mater. 44:(8-9):2001;2225-2229.
10. Sen R., Govindaraj A., Rao C.N.R. Metal-filled and hollow carbon nanotubles obtained by the decomposition of metal-containing free precursor. Chem. Mater. 9:(10):1997;2078-2081.
11. Sun X.C., Gutierrez A., Yacaman M.J., Dong X.L., Jin S. Investigations on magnetic properties and structure for carbon encapsulated nanoparticles of Fe, Co, Ni. Mater. Sci. Eng. A. 286:(1):2000;157-160.
12. Azumi M., Shi J., Haga Y., Nittono O. Microstructure and properties of Co-C films prepared by a dual source deposition system. Imam M.A., De Nale R., Hanada S., Zhoiig Z., Lee D.N. Proceedings of PRICM'3. 1998;953-959 The Minerals, Metals and Materials Society.
13. Tanaka T., Ishihara K.N., Shingu R.H. Formation of metastable phases of Ni-C and Co-C systems by mechanical alloying. Metal Trans. A. 23:(9):1992;2431-2435.
14. Wu W.Z., Zhu Z.P., Liu Z.Y., Xie Y.I., Zhang J., Hu T.D. Preparation of carbon-encapsulated iron carbide nanoparticles by an explosion method. Carbon. 41:(2):2003;317-321.
15. McHenry M.E., Majetich S.A., Artman J.O., DeGraef M., Staley S.W. Superparamagnetism in carbon-coated Co particles produced by the Kratschmer carbon arc process. Phys. Rev. B. 49:(16):1994;11358-11363.
16. Wagner W., Wiedenmann A., Petry W., Geibel A., Gleiter H. Magnetic microstructure of nanostructured Fe, studied by small angle neutron scattering. J. Mater. Res. 6:(11):1991;2305-2311.
17. Schaefer H.E., Kisker H., Kronmüller H., Würschum R. Magnetic properties of nanocrystalline nickel. Nanostruct Mater. 1:(5):1992;523-529.
18. Hwang J.H., Dravid V.P., Teng M.H., Host J.J., Elliott B.R., Johnson D.L., Mason T.O. Magnetic properties of graphitically encapsulated nickel nanocrystals. J. Mater. Res. 12:(4):1997;1076-1082.
19. Jiao J., Seraphin S., Wang X., Withers J.C. Preparation and properties of ferromagnetic carbon-coated Fe, Co, and Ni nanoparticles. J. Appl. Phys. 80:(1):1996;103-108.
20. Lide D.R. CRC handbook of chemistry and physics. 72nd ed:1991-1992;Chemical Robber, Boca Raton, FL. p. 12.
21. Delaunay J.J., Hayashi T., Tomita M., Hirono S. Formation and microstructural analysis of co-sputtered thin films consisting of cobalt nanograins embedded in carbon. J. Appl. Phys. 82:(5):1997;2200-2208.