期刊
APPLIED PHYSICS EXPRESS
卷 12, 期 12, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.7567/1882-0786/ab4d1c
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资金
- Air Force Office of Scientific Research (AFOSR) [FA9550-17-1-0279]
We report the first demonstration of self-aligned gate (SAG) beta-Ga2O3 metal-oxide-semiconductor field-effect transistors (MOSFETs) as a path toward eliminating source access resistance for low-loss power applications. The SAG process is implemented with a subtractively defined and etched refractory metal, such as Tungsten, combined with ion-implantation. We report experimental and modeled DC performance of a representative SAG device that achieved a maximum transconductance of 35 mS mm(-1) and an on-resistance of similar to 30 Omega mm with a 2.5 mu m gate length. These results highlight the advantage of implant technology for SAG beta-Ga2O3 MOSFETs enabling future power switching and RF devices with low parasitic resistance.
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