Abstract.
A class of highly symmetric silicon carbide fullerene-like cage nanoclusters with carbon atoms inside the Si20 cage and with high stability are presented. The Generalized Gradient Approximation of Density Functional Theory (GGA-DFT) is used to study the electronic and geometric structure properties of these structures and full geometry optimizations are performed with an all electron 6-311G** basis set. The stability of the clusters is found to depend on the geometrical arrangements of the carbon atoms inside the clusters and the partly ionic nature of the bonding. Possibilities of extending these structures into a larger class of nanostructures are discussed.
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Received: 1 August 2004, Published online: 28 September 2004
PACS:
73.22.-f Electronic structure of nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals
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Huda, M.N., Ray, A.K. Novel silicon-carbon fullerene-like cages. Eur. Phys. J. D 31, 63–68 (2004). https://doi.org/10.1140/epjd/e2004-00128-9
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DOI: https://doi.org/10.1140/epjd/e2004-00128-9