Abstract

The 4H-SiC MOSFET electrical response to 180 keV proton radiations at three different fluences has been evaluated. For a certain dose, the devices show an apparent improvement of their electrical characteristics likely due to the N and/or H atoms diffusion inside the oxide layer. This work complete our previous studies on high energy proton irradiation, showing that the 4H-SiC MOSFET is also robust to the low energy proton radiation, when the proton implanted range is located near the MOS interface.

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