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Vertical GaN and Vertical Ga~2~O~3~ Power Transistors: Status and Challenges by Chirag Gupta; Shubhra S. Pasayat is a Materials Science article available to read on EtoBox.

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Wide bandgap (WBG) semiconductors such as gallium nitride (GaN) and silicon carbide (SiC) are rapidly making inroads into the power semiconductor markets dominated by the incumbent silicon (Si). However, the performance of these WBG semiconductors has not reached the ideal material limits and thus, leaves significant room for improvement. In this regard, for medium voltage (600–1700 V)/high current (>50 A) applications, with a high Baliga figure of merit (BFOM) and architectural advantages, vertical GaN offers a highly energy‐efficient solution. Similarly, for high‐voltage applications (>1700 V), ultrawide bandgap (UWBG) semiconductors with their high BFOM present a strong case. Gallium oxide (Ga~2~O~3~) has emerged as the UWBG material for next‐generation power electronics. Together vertical GaN and vertical Ga~2~O~3~ have the potential to serve a large range of power switching applications. These technologies are both at different junctures and face different challenges to become commercially viable. Herein, a comprehensive review of all major vertical GaN and Ga~2~O~3~ power transistors is provided while discussing their features, advantages, and challenges that need to be solve

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Author

Chirag Gupta; Shubhra S. Pasayat

Publisher

Wiley

Published

2022

Language

EN

Field

Materials Science (Physical Sciences)