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Phonon hydrodynamics in two-dimensional materials

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  • Andrea Cepellotti

    (Theory and Simulations of Materials (THEOS), École Polytechnique Fédérale de Lausanne
    National Center for Computational Design and Discovery of Novel Materials (MARVEL), École Polytechnique Fédérale de Lausanne)

  • Giorgia Fugallo

    (Theory and Simulations of Materials (THEOS), École Polytechnique Fédérale de Lausanne
    Institut de Minéralogie, de Physique des Matériaux, et de Cosmochimie (IMPMC), Sorbonne Universités, UPMC University Paris 06, UMR CNRS 7590, Muséum National d'Histoire Naturelle, IRD UMR 206)

  • Lorenzo Paulatto

    (Institut de Minéralogie, de Physique des Matériaux, et de Cosmochimie (IMPMC), Sorbonne Universités, UPMC University Paris 06, UMR CNRS 7590, Muséum National d'Histoire Naturelle, IRD UMR 206)

  • Michele Lazzeri

    (Institut de Minéralogie, de Physique des Matériaux, et de Cosmochimie (IMPMC), Sorbonne Universités, UPMC University Paris 06, UMR CNRS 7590, Muséum National d'Histoire Naturelle, IRD UMR 206)

  • Francesco Mauri

    (Institut de Minéralogie, de Physique des Matériaux, et de Cosmochimie (IMPMC), Sorbonne Universités, UPMC University Paris 06, UMR CNRS 7590, Muséum National d'Histoire Naturelle, IRD UMR 206)

  • Nicola Marzari

    (Theory and Simulations of Materials (THEOS), École Polytechnique Fédérale de Lausanne
    National Center for Computational Design and Discovery of Novel Materials (MARVEL), École Polytechnique Fédérale de Lausanne)

Abstract

The conduction of heat in two dimensions displays a wealth of fascinating phenomena of key relevance to the scientific understanding and technological applications of graphene and related materials. Here, we use density-functional perturbation theory and an exact, variational solution of the Boltzmann transport equation to study fully from first-principles phonon transport and heat conductivity in graphene, boron nitride, molybdenum disulphide and the functionalized derivatives graphane and fluorographene. In all these materials, and at variance with typical three-dimensional solids, normal processes keep dominating over Umklapp scattering well-above cryogenic conditions, extending to room temperature and more. As a result, novel regimes emerge, with Poiseuille and Ziman hydrodynamics, hitherto typically confined to ultra-low temperatures, characterizing transport at ordinary conditions. Most remarkably, several of these two-dimensional materials admit wave-like heat diffusion, with second sound present at room temperature and above in graphene, boron nitride and graphane.

Suggested Citation

  • Andrea Cepellotti & Giorgia Fugallo & Lorenzo Paulatto & Michele Lazzeri & Francesco Mauri & Nicola Marzari, 2015. "Phonon hydrodynamics in two-dimensional materials," Nature Communications, Nature, vol. 6(1), pages 1-7, May.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms7400
    DOI: 10.1038/ncomms7400
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    Cited by:

    1. Xin Huang & Yangyu Guo & Yunhui Wu & Satoru Masubuchi & Kenji Watanabe & Takashi Taniguchi & Zhongwei Zhang & Sebastian Volz & Tomoki Machida & Masahiro Nomura, 2023. "Observation of phonon Poiseuille flow in isotopically purified graphite ribbons," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Giacomo Mazza & Marco Gandolfi & Massimo Capone & Francesco Banfi & Claudio Giannetti, 2021. "Thermal dynamics and electronic temperature waves in layered correlated materials," Nature Communications, Nature, vol. 12(1), pages 1-11, December.

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