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The effect of SiN x film for H plasma implantation in p-GaN/AlGaN/GaN high electron mobility transistors

A thin SiN x film was deposited on the p-GaN layer before H plasma implantation, which cause four orders of magnitude reduction in gate reverse leakage current. The OFF-state breakdown voltage increases by 89%. It displays a more stable dynamic performance. It is believed that the decrease of gate l...

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Published in:Applied physics express 2022-07, Vol.15 (7), p.71010
Main Authors: Huang, Xingjie, Xing, Yanhui, Yu, Guohao, Tang, Wenxin, Wei, Xing, Song, Liang, Zhang, Xiaodong, Fan, Yaming, Zeng, Zhongming, Cai, Yong, Zhang, Baoshun, Huang, Zengli, Huang, Rong, Han, Jun
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cited_by cdi_FETCH-LOGICAL-c246t-9b612941b8ac477e5e6f6b76a044804217724b02ac2ddad5f63a0e347743ff463
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container_issue 7
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container_title Applied physics express
container_volume 15
creator Huang, Xingjie
Xing, Yanhui
Yu, Guohao
Tang, Wenxin
Wei, Xing
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Zhang, Xiaodong
Fan, Yaming
Zeng, Zhongming
Cai, Yong
Zhang, Baoshun
Huang, Zengli
Huang, Rong
Han, Jun
description A thin SiN x film was deposited on the p-GaN layer before H plasma implantation, which cause four orders of magnitude reduction in gate reverse leakage current. The OFF-state breakdown voltage increases by 89%. It displays a more stable dynamic performance. It is believed that the decrease of gate leakage current is attributed to the increase of trap activation energies in the p-GaN layer, It is concluded that improved dynamic characteristics are owing to the fact that the SiN x film blocks the excessive H plasma into the AlGaN barrier layer and reduces the implantation damage in AlGaN barrier layer.
doi_str_mv 10.35848/1882-0786/ac7a90
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source Institute of Physics IOPscience extra; Institute of Physics
subjects gate leakage current
OFF-state breakdown voltage
p-GaN gate HEMT
SiNx film
title The effect of SiN x film for H plasma implantation in p-GaN/AlGaN/GaN high electron mobility transistors
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