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Corrugated single-layer graphite sheet as a model of stepped surface of a crystal

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Abstract

Electronic structure calculations have been performed for flat graphite sheets and periodically distorted sheets with different values of deformation angle and hydrogen adsorption. These characteristics do not all behave monotonically with increasing deformation angle. At small deformation angles, the electrons pass from the atoms of terraces to those of edges, while at larger angles the reverse pattern is observed. The position of the Fermi level also varies nonmonotonically. The binding energy of hydrogen depends significantly on the adsorption site, and the difference can be doubled. Based on the ata obtained, it was concluded that a priori statements derived from the “general concepts” on the difference in the physicochemical properties of, for example, terrace and edge atoms on high-index facets are unreliable.

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Authors and Affiliations

  1. G. K. Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Russia

    V. M. Tapilin

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  1. V. M. Tapilin
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Original Russian Text Copyright © 2005 by V. M. Tapilin

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Translated from Zhurnal Strukturnoi Khimii, Vol. 46, No. 1, pp. 11–17, January–February, 2005.

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Tapilin, V.M. Corrugated single-layer graphite sheet as a model of stepped surface of a crystal. J Struct Chem 46, 9–15 (2005). https://doi.org/10.1007/s10947-006-0002-8

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  • DOI: https://doi.org/10.1007/s10947-006-0002-8

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