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American Scientific Publishers, Journal of Nanoscience and Nanotechnology, 4(10), p. 2606-2610

DOI: 10.1166/jnn.2010.1452

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Ferromagnetic Behaviour of Nickel Contacted Multiwalled Carbon Nanotubes

Journal article published in 2010 by E. Titus ORCID, M. K. Singh, Gil Cabral, V. Paserin, P. Ramesh Babu, W. J. Blau, J. Gracio
This paper is available in a repository.
This paper is available in a repository.

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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 degrees 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.