Article

Journal of Computational Electronics

, Volume 11, Issue 1, pp 14-21

Study of thermal properties of graphene-based structures using the force constant method

  • Hossein KaramitaheriAffiliated withInstitute for Microelectronics, Technische Universität Wien Email author 
  • , Neophytos NeophytouAffiliated withInstitute for Microelectronics, Technische Universität Wien
  • , Mahdi PourfathAffiliated withInstitute for Microelectronics, Technische Universität Wien
  • , Hans KosinaAffiliated withInstitute for Microelectronics, Technische Universität Wien

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Abstract

The thermal properties of graphene-based materials are theoretically investigated. The fourth-nearest neighbor force constant method for phonon properties is used in conjunction with both the Landauer ballistic and the non-equilibrium Green’s function techniques for transport. Ballistic phonon transport is investigated for different structures including graphene, graphene antidot lattices, and graphene nanoribbons. We demonstrate that this particular methodology is suitable for robust and efficient investigation of phonon transport in graphene-based devices. This methodology is especially useful for investigations of thermoelectric and heat transport applications.

Keywords

Graphene Thermal properties Force constant method Non-equilibrium Green’s function Graphene antidots