Semiconductor device and semiconductor circuit including the semiconductor device with enhanced current-voltage characteristics

摘要

A semiconductor device is disclosed. The semiconductor device includes a substrate and a plurality of devices on the substrate, wherein a first device of the devices includes a first nitride semiconductor layer on the substrate, a second nitride semiconductor layer brought together with the first nitride semiconductor layer to form a first heterojunction interface, between the substrate and the first nitride semiconductor layer, a third nitride semiconductor layer brought together with the second nitride semiconductor layer to form a second heterojunction interface, between the substrate and the second nitride semiconductor layer, and a first contact electrically connected to the first and second heterojunction interfaces.