Molecular Dynamics Study of Hypothetical Silicon Nanotubes Using the Tersoff Potential
Abstract:We have performed classical molecular dynamics simulations for hypothetical silicon nanotubes using the Tersoff potential. Our investigation presented a systematic study about the thermal behavior of hypothetical silicon nanotubes and showed the difficulty in producing silicon nanotubes or graphitelike sheets. However, since the elastic energy per atom to curve the sheet into cylinders for silicon atoms is as low as that for carbon atoms, if graphitelike sheets of silicon are formed, the extra cost to produce the tubes is of a similar order to that in carbon. Through the investigations on the structure and properties of a double-wall silicon nanotube, we concluded that quasi-one-dimensional structures consisting of silicon atoms become nanowires rather than nanotubes in order to minimize the number of sp2 bonds.
Document Type: Research Article
Publication date: 2002-12-01
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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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