Abstract:We measured the stability of small-sized trench devices with different specifications under negative bias. The degradation behavior of the electrical characteristics of the device caused by the channel size was analyzed. It was found that the passivation caused by the increase of the channel width was not completely generated by charge trapping in the passivation layer and the interface between the passivation layer and the active layer. The parasitic effect related to the channel length and the drain-induced … Show more
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