Russian Physics Journal

, Volume 58, Issue 6, pp 785–790 | Cite as

Energy Exchange Between the Discrete Breathers in Graphane


Discrete breathers in graphane (fully hydrogenated graphene) are studied by the molecular dynamics method. It has previously been demonstrated that in graphane, there are discrete breathers in the form of single hydrogen atoms oscillating with the big amplitude in the direction perpendicular to the graphane plane with a frequency lying in the bandgap of the phonon spectrum. In this work, the possibility of the existence of longlived clusters of discrete breathers of different configurations is shown, their properties are studied, and the possibility of energy exchange between the discrete breathers in the cluster is demonstrated. These results are important for the discussion of physical processes occurring during dehydrogenation of graphane at high temperatures, which, in turn, is of great importance for the development of the hydrogen storage and transport devices based on sp2-carbon materials.


graphane a discrete breather cluster energy exchange molecular dynamics 


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Institute for Metals Superplasticity Problems of the Russian Academy of SciencesUfaRussia
  2. 2.National Research Tomsk State UniversityTomskRussia

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