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Boron Arsenide Crystals Outperform Diamond in Thermal Conductivity

11/5/2025

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Summary

Story summary

Researchers at the University of Houston (UH) report that boron arsenide crystals achieve room-temperature thermal conductivity above 2,100 W/mK, surpassing diamond.
The result challenges existing models.
Boron arsenide is easier and cheaper to produce than diamond.
Boron arsenide may outperform silicon as a semiconductor.
The work is supported by a $2.8 million National Science Foundation grant, and the study was published in Materials Today on October 10, 2025.

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Story summary

Researchers at the University of Houston (UH) report that boron arsenide crystals achieve room-temperature thermal conductivity above 2,100 W/mK, surpassing diamond.
The result challenges existing models.
Boron arsenide is easier and cheaper to produce than diamond.
Boron arsenide may outperform silicon as a semiconductor.
The work is supported by a $2.8 million National Science Foundation grant, and the study was published in Materials Today on October 10, 2025.