Bhatia, Ravi and Prasad, V (2010) Synthesis of multiwall carbon nanotubes by chemical vapor deposition of ferrocene alone. In: Solid State Communications, 150 (7-8). pp. 311-315.
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Multiwall carbon nanotubes (MWNTs) filled with Fe nanoparticles (NPs) have been synthesized by thermal chemical vapor deposition of ferrocene alone as the precursor. The MWNTs were grown at different temperatures: 980 and 800 degrees C. Characterization of as-prepared MWNTs was done by scanning and transmission electron microscopy, and X-ray diffraction. The transmission electron microscopy study revealed that Fe NPs encapsulated in MWNTs grown at 980 and 800 degrees C are spherical and rod shaped, respectively. Room-temperature vibrating sample magnetometer studies were done on the two samples up to a field of 1T. The magnetization versus magnetic field loop reveals that the saturation magnetization for the two samples varies considerably, almost by a factor of 4.6. This indicates that Fe is present in different amounts in the MWNTs grown at the two different temperatures. (C) 2009 Elsevier Ltd. All rights reserved.
Item Type: | Journal Article |
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Publication: | Solid State Communications |
Publisher: | Elsevier Science |
Additional Information: | Copyright of this article belongs to Elsevier Science. |
Keywords: | Carbon nanotube;Chemical vapor deposition;Electron microscopy;Magnetic property |
Department/Centre: | Division of Physical & Mathematical Sciences > Physics |
Date Deposited: | 11 Jun 2010 08:12 |
Last Modified: | 11 Jun 2010 08:12 |
URI: | http://eprints.iisc.ac.in/id/eprint/26631 |
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