Journal
2023 7TH IEEE ELECTRON DEVICES TECHNOLOGY & MANUFACTURING CONFERENCE, EDTM
Volume -, Issue -, Pages -Publisher
IEEE
DOI: 10.1109/EDTM55494.2023.10103019
Keywords
GaN HEMT; p-GaN; gate reliability; VTH stability
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Gate reliability and threshold voltage instability issues in enhancement-mode pGaN gate HEMTs were investigated. A n-GaN/p-GaN gate structure was proposed to reduce gate leakage and increase gate swing. The VTH tunability and stability of p-GaN gate HEMTs were also studied, achieving wide range VTH and eliminating hole-deficiency-induced VTH shifts with a p-FET bridge.
Gate reliability and threshold voltage instability issues were investigated in the enhancement-mode pGaN gate high-electron-mobility transistors (HEMTs). A n- GaN/p- GaN gate structure is proposed to effectively reduce the gate leakage and enlarge the gate swing of the p-GaN gate HEMTs. The VTH tunability and stability of the p-GaN gate HEMTs are also systematically investigated. With a p-FET bridge, wide range VTH can be achieved, as well as eliminated hole-deficiency-induced VTH shifts.
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