Current collapse suppression in AlGaN/GaN HEMTs using dual-layer SiNx stressor passivation

In this work, a dramatic reduction in current collapse is achieved in GaN-based high-electron-mobility transistors (HEMTs) using dual-layer SiNx stressor passivation (DSSP), and the related mechanism is proposed. The SiNx compression neutralizes the inherent piezo polarization caused by the lattice...

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