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A novel GaN/AlGaN p-channel inverted heterostructure junction field-effect transistor (HJFET) with a n/sup +/-type gate is proposed and demonstrated. A new superlattice aided strain compensation techniques was used for fabricating high quality GaN/AlGaN p-n junction. The p-channel HJFET gate leakage current was below 10 nA, and the threshold voltage was 8 V, which is close to that of typical n-channel HFETs. This new HJFET device opens up a way for fabricating nitride based complimentary integrated circuits.
Shatalov et al. (2002) studied this question.