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Ferromagnetic Behaviour of Nickel Contacted Multiwalled Carbon Nanotubes

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Abstract:

A novel method for the contact of ferromagnetic nano-nickel onto multiwalled carbon nanotubes (MWCNTs) is proposed in this work. The process involves the decomposition of the precursor: nickel carbonyl-Ni(CO)4 into nickel and CO by laser chemical vapour deposition at 150–200 °C and the deposition of nano-nickel onto MWCNTs. Field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), HR (High resolution) TEM, and Raman spectroscopy were employed for the detailed analysis of the nickel contacted MWCNTs. The ferro-magnetic nature of the sample was confirmed by Super-conducting Quantum Interference Device (SQUID) analysis.

Keywords: CARBON NANOTUBES; CHEMICAL VAPOUR DEPOSITION; FERROMAGNETIC; RAMAN SPECTROSCOPY; SQUID

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.1452

Publication date: April 1, 2010

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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