Abstract
It is shown that the embedding of covalent clusters with the help of pseudo atoms and thefullerene π electronic structure of amorphous carbon can be studied by the same formalism. Tight-binding model calculations were done for silicon clusters. It was found that the covalent clusters often have topologically determined energy levels that are cleared out from the spectrum in the presence of embedding.
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László, I. Embedding by pseudo atoms, and the topologically determined one-electronic energy levels. J Math Chem 10, 303–311 (1992). https://doi.org/10.1007/BF01169179
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DOI: https://doi.org/10.1007/BF01169179