Characteristic Analysis of AlGaN/GaN HEMT with Composited Buffer Layer on High-Heat Dissipation Poly-AlN Substrates
In this study, an AlGaN/GaN high-electron-mobility transistor (HEMT) was grown through metal organic chemical vapor deposition on a Qromis Substrate Technology (QST). The GaN on the QST device exhibited a superior heat dissipation performance to the GaN on a Si device because of the higher thermal c...
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oai:doaj.org-article:49ca62e52e804ee3b70050b53afafe782021-11-25T18:19:47ZCharacteristic Analysis of AlGaN/GaN HEMT with Composited Buffer Layer on High-Heat Dissipation Poly-AlN Substrates10.3390/membranes111108482077-0375https://doaj.org/article/49ca62e52e804ee3b70050b53afafe782021-10-01T00:00:00Zhttps://www.mdpi.com/2077-0375/11/11/848https://doaj.org/toc/2077-0375In this study, an AlGaN/GaN high-electron-mobility transistor (HEMT) was grown through metal organic chemical vapor deposition on a Qromis Substrate Technology (QST). The GaN on the QST device exhibited a superior heat dissipation performance to the GaN on a Si device because of the higher thermal conductivity of the QST substrate. Thermal imaging analysis indicated that the temperature variation of the GaN on the QST device was 4.5 °C and that of the GaN on the Si device was 9.2 °C at a drain-to-source current (<i>I</i><sub>DS</sub>) of 300 mA/mm following 50 s of operation. Compared with the GaN HEMT on the Si device, the GaN on the QST device exhibited a lower <i>I</i><sub>DS</sub> degradation at high temperatures (17.5% at 400 K). The QST substrate is suitable for employment in different temperature environments because of its high thermal stability.Chong-Rong HuangHsien-Chin ChiuChia-Hao LiuHsiang-Chun WangHsuan-Ling KaoChih-Tien ChenKuo-Jen ChangMDPI AGarticleQST substrateback-barrier layerhigh thermal conductivityChemical technologyTP1-1185Chemical engineeringTP155-156ENMembranes, Vol 11, Iss 848, p 848 (2021) |
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QST substrate back-barrier layer high thermal conductivity Chemical technology TP1-1185 Chemical engineering TP155-156 |
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QST substrate back-barrier layer high thermal conductivity Chemical technology TP1-1185 Chemical engineering TP155-156 Chong-Rong Huang Hsien-Chin Chiu Chia-Hao Liu Hsiang-Chun Wang Hsuan-Ling Kao Chih-Tien Chen Kuo-Jen Chang Characteristic Analysis of AlGaN/GaN HEMT with Composited Buffer Layer on High-Heat Dissipation Poly-AlN Substrates |
description |
In this study, an AlGaN/GaN high-electron-mobility transistor (HEMT) was grown through metal organic chemical vapor deposition on a Qromis Substrate Technology (QST). The GaN on the QST device exhibited a superior heat dissipation performance to the GaN on a Si device because of the higher thermal conductivity of the QST substrate. Thermal imaging analysis indicated that the temperature variation of the GaN on the QST device was 4.5 °C and that of the GaN on the Si device was 9.2 °C at a drain-to-source current (<i>I</i><sub>DS</sub>) of 300 mA/mm following 50 s of operation. Compared with the GaN HEMT on the Si device, the GaN on the QST device exhibited a lower <i>I</i><sub>DS</sub> degradation at high temperatures (17.5% at 400 K). The QST substrate is suitable for employment in different temperature environments because of its high thermal stability. |
format |
article |
author |
Chong-Rong Huang Hsien-Chin Chiu Chia-Hao Liu Hsiang-Chun Wang Hsuan-Ling Kao Chih-Tien Chen Kuo-Jen Chang |
author_facet |
Chong-Rong Huang Hsien-Chin Chiu Chia-Hao Liu Hsiang-Chun Wang Hsuan-Ling Kao Chih-Tien Chen Kuo-Jen Chang |
author_sort |
Chong-Rong Huang |
title |
Characteristic Analysis of AlGaN/GaN HEMT with Composited Buffer Layer on High-Heat Dissipation Poly-AlN Substrates |
title_short |
Characteristic Analysis of AlGaN/GaN HEMT with Composited Buffer Layer on High-Heat Dissipation Poly-AlN Substrates |
title_full |
Characteristic Analysis of AlGaN/GaN HEMT with Composited Buffer Layer on High-Heat Dissipation Poly-AlN Substrates |
title_fullStr |
Characteristic Analysis of AlGaN/GaN HEMT with Composited Buffer Layer on High-Heat Dissipation Poly-AlN Substrates |
title_full_unstemmed |
Characteristic Analysis of AlGaN/GaN HEMT with Composited Buffer Layer on High-Heat Dissipation Poly-AlN Substrates |
title_sort |
characteristic analysis of algan/gan hemt with composited buffer layer on high-heat dissipation poly-aln substrates |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/49ca62e52e804ee3b70050b53afafe78 |
work_keys_str_mv |
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