The Effect of AlN Buffer Layer on AlGaN/GaN/AlN Double‐Heterostructure High‐Electron‐Mobility Transistor

U Choi, D Jung, K Lee, T Kwak, T Jang… - … status solidi (a), 2020 - Wiley Online Library
Herein, the effect of crystal quality of AlN buffer layer on AlGaN/GaN/AlN double‐
heterostructure high‐electron‐mobility transistor (DH‐HEMT) is investigated. The material …

Power Performance of AlGaN/GaN High‐Electron‐Mobility Transistors with AlN Buffer on SiC Substrate at 3.5 GHz

M Kim, U Choi, K Kim, Y Heo, K Lee… - … status solidi (a), 2023 - Wiley Online Library
Herein, a 3.5 GHz (S‐band) power performance is reported on an AlGaN/GaN high‐electron‐
mobility transistor (HEMT) with AlN buffer on SiC substrate. A 4 inch epi‐wafer is grown by …

On/off-state noise characteristics in AlGaN/GaN HFET with AlN buffer layer

KS Im, U Choi, M Kim, J Choi, HS Kim, HY Cha… - Applied Physics …, 2022 - pubs.aip.org
The AlGaN/GaN heterojunction field-effect transistor (HFET) with an AlN buffer layer (the
proposed device) was fabricated, and its noise performances were investigated compared to …

Effects of Si-doped GaN insert layer in AlGaN/GaN/GaN: Si/AlN DH-HEMT structure

D Jung, M Kim, U Choi, K Kim, O Nam - Solid-State Electronics, 2023 - Elsevier
In this study, we investigate the effects of Si-doped GaN insert layer on the structural and
electrical characteristics of AlGaN/GaN/GaN: Si/AlN double-heterostructure high-electron …

Device and Noise Performances of AlGaN/GaN High Electron Mobility Transistors with Various GaN Channel Layers Grown on AlN Buffer Layer

KS Im, M Kim, O Nam - physica status solidi (a), 2024 - Wiley Online Library
AlGaN/GaN high electron mobility transistors (HEMTs) with different GaN channel layers
grown on AlN buffer layer are fabricated and investigated in order to optimize the device …