| Schematic of GaN/AlGaN HBT |
| HBT emitter-base junction forward I-V characteristics at 25°C (top) and 300°C (bottom). |
| Ni/Pt/Au base contact I-V characteristics at 25°C (top) and 300°C (bottom). |
| HBT base-collector junction forward I-V characteristics at 25°C (top) and 300°C (bottom). |
| Gummel plot for a 90µm diameter GaN/AlGaN HBT at 300°C. |