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CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES
2009 Chinese Phys. Lett. 26 116103 (4pp) doi: 10.1088/0256-307X/26/11/116103
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Abstract. Magnetic composites of carbon nanotubes (CNTs) are synthesized by the in situ catalytic decomposition of benzene at temperatures as low as 400°C over Fe nanoparticles (mean grain size = 26 nm) produced by sol-gel fabrication and hydrogen reduction. The yield of CNT composite is up to about 3025% in a run of 6 h. FESEM and HRTEM investigations reveal that one-dimensional carbon species are produced in a large quantity. A relatively high value of magnetization is observed for the composite due to the encapsulation of ferromagnetic Fe3C and/or α-Fe. The method is suitable for the mass-production of CNT composites that contain magnetic nanoparticles.
PACS numbers: 61.46.Fg, 68.37.Ma, 68.37.Og
Print publication: Issue 11 (November 2009) |
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