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GaN-based high electron mobility transistors (HEMTs) with a Schottky metal gate have been demonstrated to be an excellent candidate for high frequency, high temperature and high power applications. Nevertheless, their typical (and virtually inevitable) high gate leakage current, severely limits gate voltage swing, output power and breakdown voltage. GaN metal–insulator –semiconductor HEMTs or MIS-HEMTs...
Innovative 800V/300°C AlGaN/GaN-on-Si high electron mobility transistors (HEMTs) fabricated with a 4-inch Si CMOS compatible technology are presented in this paper. High performance AlGaN/GaN MIS gated HEMT (MIS-HEMT) and passivated HEMT (i-HEMT) were fabricated using 5nm-thick HfO2, and 30nm-thick CVD Si3N4 as the gate and passivation insulator, respectively. Contact resistance maps yield reduced...
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