Journal of Low Temperature Physics

, Volume 185, Issue 5–6, pp 712–716 | Cite as

Ab Initio Study of Deformation Influence on the Electronic Properties of Graphene Structures Containing One-Dimensional Topological Defects

  • A. A. Valishina
  • Y. V. Lysogorskiy
  • O. V. Nedopekin
  • D. A. Tayurskii
Article
  • 102 Downloads

Abstract

The band structures of single and bilayer graphene with one-dimensional topological defects were calculated along the defect line, and appearance of the flat band near the Fermi level was observed. In addition, the influence of deformation (compression/expansion) on the flat band was studied. It was shown that compression across the grain boundary leads to disappearance of the flat band near the Fermi level, while the stretching along this direction does not significantly change the band structure. However, neither compression nor stretching along the grain boundary destroys the flat band.

Keywords

Ab initio Graphene Defects Band structure Flat band 

Notes

Acknowledgments

The work was supported by Russian Government Program of Competitive Growth of Kazan Federal University.

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • A. A. Valishina
    • 1
  • Y. V. Lysogorskiy
    • 1
  • O. V. Nedopekin
    • 1
  • D. A. Tayurskii
    • 1
    • 2
  1. 1.Institute of PhysicsKazan Federal UniversityKazanRussia
  2. 2.Centre for Quantum TechnologiesKazan Federal UniversityKazanRussia

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