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Uniformly distributed nickel nanoparticles created by heating the carbon nanotube

Published online by Cambridge University Press:  31 January 2011

Zaoli Zhang  and
Min Gao
Zaoli Zhang
Affiliation:
Beijing Laboratory of Electron Microscopy, Institute of Physics and Centre for Condensed Matter Physics, Beijing, People's Republic of China, and Max-Planck-Institut für Metallforschung, Heisenbergstrasse 3, D-70569 Stuttgart, Germany
Min Gao
Affiliation:
Max-Planck-Institut für Metallforschung, Heisenbergstrasse 3, D-70569 Stuttgart, Germany
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Abstract

Uniformly distributed nanoparticles created by heating carbon nanotubes synthesized by arc-discharge were studied by electron diffraction, high-resolution transmission electron microscopy (HRTEM), electron energy loss spectroscopy (EELS), and x-ray energy dispersive spectrometer (EDS). The nanoparticles have diameters in the range of 3–15 nm. Electron diffraction pattern and HRTEM images analysis both show that the nanoparticles can be nickel or diamond. EELS and EDS analysis in a dedicated scanning transmission electron microscope showed that the nanoparticles are face-centered-cubic nickel particles rather than diamond nanocrystals. The mechanism of formation of nickel nanoparticles below its melting point is discussed.

Type
Articles
Information
Journal of Materials Research , Volume 18 , Issue 3 , March 2003 , pp. 604 - 608
Copyright
Copyright © Materials Research Society 2003

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