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Direct electronic measurement of Peltier cooling and heating in graphene

Author

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  • I. J. Vera-Marun

    (Physics of Nanodevices, Zernike Institute for Advanced Materials, University of Groningen
    School of Physics and Astronomy, The University of Manchester)

  • J. J. van den Berg

    (Physics of Nanodevices, Zernike Institute for Advanced Materials, University of Groningen)

  • F. K. Dejene

    (Physics of Nanodevices, Zernike Institute for Advanced Materials, University of Groningen)

  • B. J. van Wees

    (Physics of Nanodevices, Zernike Institute for Advanced Materials, University of Groningen)

Abstract

Thermoelectric effects allow the generation of electrical power from waste heat and the electrical control of cooling and heating. Remarkably, these effects are also highly sensitive to the asymmetry in the density of states around the Fermi energy and can therefore be exploited as probes of distortions in the electronic structure at the nanoscale. Here we consider two-dimensional graphene as an excellent nanoscale carbon material for exploring the interaction between electronic and thermal transport phenomena, by presenting a direct and quantitative measurement of the Peltier component to electronic cooling and heating in graphene. Thanks to an architecture including nanoscale thermometers, we detected Peltier component modulation of up to 15 mK for currents of 20 μA at room temperature and observed a full reversal between Peltier cooling and heating for electron and hole regimes. This fundamental thermodynamic property is a complementary tool for the study of nanoscale thermoelectric transport in two-dimensional materials.

Suggested Citation

  • I. J. Vera-Marun & J. J. van den Berg & F. K. Dejene & B. J. van Wees, 2016. "Direct electronic measurement of Peltier cooling and heating in graphene," Nature Communications, Nature, vol. 7(1), pages 1-6, September.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms11525
    DOI: 10.1038/ncomms11525
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    Cited by:

    1. Huanyi Xue & Ruijie Qian & Weikang Lu & Xue Gong & Ludi Qin & Zhenyang Zhong & Zhenghua An & Lidong Chen & Wei Lu, 2023. "Direct observation of hot-electron-enhanced thermoelectric effects in silicon nanodevices," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Gyeongsuk Park & Hyunmin Park & Junyong Seo & Jun Chang Yang & Min Kim & Bong Jae Lee & Steve Park, 2023. "Bidirectional thermo-regulating hydrogel composite for autonomic thermal homeostasis," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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