Impact of dimensional crossover on phonon transport in van der Waals materials: A case study of graphite and graphene

@article{Strongman2021ImpactOD,
  title={Impact of dimensional crossover on phonon transport in van der Waals materials: A case study of graphite and graphene},
  author={Patrick Strongman and Vahid Askarpour and Jesse Maassen},
  journal={Physical Review B},
  year={2021}
}
Using first-principles modeling, we investigate how phonon transport evolves in layered/van der Waals materials when going from 3D to 2D, or vice versa, by gradually pulling apart the atomic layers in graphite to form graphene. Focus is placed on identifying the features impacting thermal conductivity that are likely shared with other layered materials. The thermal conductivity $\kappa$ of graphite is found to be lower than that of graphene mainly due to changes in the phonon dispersion driven… 

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