2011 IEEE 23rd International Symposium on Power Semiconductor Devices and ICs 2011
DOI: 10.1109/ispsd.2011.5890835
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Normally-off high-voltage p-GaN gate GaN HFET with carbon-doped buffer

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Cited by 119 publications
(77 citation statements)
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“…This produces a depletion layer which extends from the p-n junction formed by the p-(Al)GaN region and AlGaN barrier layer, thereby depleting the 2-DEG so that normally-off operation can be achieved [11,12]. However, in this structure, the gate bias voltage higher than the built-in p-n potential leads to a large gate leakage current.…”
Section: Normally-off Operationmentioning
confidence: 99%
“…This produces a depletion layer which extends from the p-n junction formed by the p-(Al)GaN region and AlGaN barrier layer, thereby depleting the 2-DEG so that normally-off operation can be achieved [11,12]. However, in this structure, the gate bias voltage higher than the built-in p-n potential leads to a large gate leakage current.…”
Section: Normally-off Operationmentioning
confidence: 99%
“…Although researchers have used buffer layers to reduce the lattice constant difference, charge trapping effects lower the electric performance and reproducibility of devices. 16 To improve the performance of GaN-based devices, one should use high-quality crystal GaN substrates. 17 It is difficult to manufacture bulk GaN, because bulk GaN has a high melting point and requires a high equilibrium pressure of N 2 gas.…”
Section: Introductionmentioning
confidence: 99%
“…Для создания нормально закрытых GaN-транзисторов чаще всего используют подзатворную область на основе GaN p-типа, легированного магнием (p-GaN) [2,3].…”
Section: Introductionunclassified