THERMAL CONDUCTIVITY

Achieving a better heat conductor

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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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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