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Synthesis and Characterization of Lanthanum Carbide Nanotubes

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Abstract:

Lanthanum carbide nanotubes have been synthesized by d.c. arc evaporation (~20-30 V, ~200 Amp) of lanthanum metal (90 wt.%)-loaded graphite rod in a helium atmosphere (665 mbar). To explore the possibility of formation of lanthanum carbide nanotubes, the experiments were carried out with lanthanum metal in different concentrations (i.e., 30, 50, 70, and 90 wt.%) in the graphite rod. The as-synthesized samples were characterized by transmission electron microscopy and X-ray diffractometry. Lanthanum carbide nanotubes (LCNTs) with a diameter of ~65 to 95 nm and a length of 0.2 to 1.5 m were obtained in this study.

Keywords: ARC EVAPORATION; LANTHANUM CARBIDE; LANTHANUM CARBIDE NANOTUBES; NANORODS; TRANSMISSION ELECTRON MICROSCOPY; X-RAY DIFFRACTOMETRY

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2002.078

Affiliations: Department of Physics, Banaras Hindu University, Varanasi-221005, India

Publication date: February 1, 2002

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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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