Evidence of Time-Dependent Vertical Breakdown in GaN-on-Si HEMTs
IEEE Transactions on Electron Devices(2017)
摘要
This paper demonstrates and investigates the time-dependent vertical breakdown of GaN-on-Si power transistors. The study is based on electrical characterization, dc stress tests and electroluminescence measurements. We demonstrate the following original results: 1) when submitted to two-terminal (drain-to-substrate) stress, the AlGaN/GaN transistors show a time-dependent degradation process, which...
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关键词
Stress,Temperature measurement,Electric breakdown,Current measurement,Substrates,Leakage currents,Logic gates
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