Plasmon enhanced near-field radiative heat transfer for graphene covered dielectrics

Vitaly Svetovoy, P.J. van Zwol, J. Chevrier

    Research output: Contribution to journalArticleAcademicpeer-review

    84 Citations (Scopus)

    Abstract

    It is shown that a graphene layer on top of a dielectric slab can dramatically influence the ability of this dielectric for radiative heat exchange turning a poor heat emitter/absorber into a good one and vice versa. The effect of graphene is related to thermally excited plasmons. The frequency of these resonances lies in the terahertz region and can be tuned by varying the Fermi level through doping or gating. It makes possible the fast modulation of the heat flux by electrical means, which opens up new possibilities for very fast manipulations with the heat flux. The heat transfer between two dielectrics covered with graphene can be larger than that between best known materials and becomes especially efficient below the room temperature.
    Original languageUndefined
    Pages (from-to)155418
    Number of pages5
    JournalPhysical review B: Condensed matter and materials physics
    Volume85
    Issue number15
    DOIs
    Publication statusPublished - 9 Apr 2012

    Keywords

    • EWI-22451
    • IR-82190
    • METIS-296131

    Cite this

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    abstract = "It is shown that a graphene layer on top of a dielectric slab can dramatically influence the ability of this dielectric for radiative heat exchange turning a poor heat emitter/absorber into a good one and vice versa. The effect of graphene is related to thermally excited plasmons. The frequency of these resonances lies in the terahertz region and can be tuned by varying the Fermi level through doping or gating. It makes possible the fast modulation of the heat flux by electrical means, which opens up new possibilities for very fast manipulations with the heat flux. The heat transfer between two dielectrics covered with graphene can be larger than that between best known materials and becomes especially efficient below the room temperature.",
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    Plasmon enhanced near-field radiative heat transfer for graphene covered dielectrics. / Svetovoy, Vitaly; van Zwol, P.J.; Chevrier, J.

    In: Physical review B: Condensed matter and materials physics, Vol. 85, No. 15, 09.04.2012, p. 155418.

    Research output: Contribution to journalArticleAcademicpeer-review

    TY - JOUR

    T1 - Plasmon enhanced near-field radiative heat transfer for graphene covered dielectrics

    AU - Svetovoy, Vitaly

    AU - van Zwol, P.J.

    AU - Chevrier, J.

    N1 - eemcs-eprint-22451

    PY - 2012/4/9

    Y1 - 2012/4/9

    N2 - It is shown that a graphene layer on top of a dielectric slab can dramatically influence the ability of this dielectric for radiative heat exchange turning a poor heat emitter/absorber into a good one and vice versa. The effect of graphene is related to thermally excited plasmons. The frequency of these resonances lies in the terahertz region and can be tuned by varying the Fermi level through doping or gating. It makes possible the fast modulation of the heat flux by electrical means, which opens up new possibilities for very fast manipulations with the heat flux. The heat transfer between two dielectrics covered with graphene can be larger than that between best known materials and becomes especially efficient below the room temperature.

    AB - It is shown that a graphene layer on top of a dielectric slab can dramatically influence the ability of this dielectric for radiative heat exchange turning a poor heat emitter/absorber into a good one and vice versa. The effect of graphene is related to thermally excited plasmons. The frequency of these resonances lies in the terahertz region and can be tuned by varying the Fermi level through doping or gating. It makes possible the fast modulation of the heat flux by electrical means, which opens up new possibilities for very fast manipulations with the heat flux. The heat transfer between two dielectrics covered with graphene can be larger than that between best known materials and becomes especially efficient below the room temperature.

    KW - EWI-22451

    KW - IR-82190

    KW - METIS-296131

    U2 - 10.1103/PhysRevB.85.155418

    DO - 10.1103/PhysRevB.85.155418

    M3 - Article

    VL - 85

    SP - 155418

    JO - Physical review B: Condensed matter and materials physics

    JF - Physical review B: Condensed matter and materials physics

    SN - 1098-0121

    IS - 15

    ER -