Next generation semiconductors: Diamond device shows highest breakdown voltage and lowest leakage current

https://techxplore.com/news/2023-11-generation-semiconductors-diamond-device-highest.html

"better efficiency and performance... synthetic diamond ultra-wide gap semiconductor with highest thermal conductivity, operating at much higher voltages (5 - 9 kV) and currents with less material and dissipating heat...  hope to approach the performance limits of diamond's material potential... suited for high power, high voltage applications for the future electric grid and other power applications"

Related: Will electric fields lead the way in developing semiconductors with high power efficiency?
https://phys.org/news/2024-01-electric-fields-semiconductors-high-power.html