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THERMAL CONDUCTIVITY

Achieving a better heat conductor

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Finding a competitor for diamond as a good heat conductor remains challenging. Measurements on crystals of cubic boron nitride demonstrate a thermal conductivity of 1,600 W m−1 K−1 at room temperature, rivalling diamond.

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Fig. 1: Thermal conductivity scaling with strength of bonding and average mass in crystal, and the role of different phonon scattering processes in boron-containing materials.

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Authors and Affiliations

  1. Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, VA, USA

    Ashutosh Giri & Patrick E. Hopkins

  2. Department of Materials Science and Engineering, University of Virginia, Charlottesville, VA, USA

    Patrick E. Hopkins

  3. Department of Physics, University of Virginia, Charlottesville, VA, USA

    Patrick E. Hopkins

Authors
  1. Ashutosh Giri
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  2. Patrick E. Hopkins
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Correspondence to Patrick E. Hopkins.

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Giri, A., Hopkins, P.E. Achieving a better heat conductor. Nat. Mater. 19, 482–484 (2020). https://doi.org/10.1038/s41563-020-0658-z

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