Reduced Turn-On Voltage for npn Graded-Base AlGaN/GaN Heterojunction Bipolar Transistors by Thermal Treatment

<table>Gummel plots for all fabricated npn graded-base AlGaN/GaN HBT’s.</table>

Advances in Materials Science and Engineering

Figure 3: Reduced Turn-On Voltage for npn Graded-Base AlGaN/GaN Heterojunction Bipolar Transistors by Thermal Treatment 